1. Sequence Sorting Game (Grade 1 Math Game)
Purpose:
- Students recognize the order of numbers.
- Develop quick and accurate skills while doing exercises.
Game rules: Arrange the numbers in ascending or descending order.
How to play: The teacher gives each participating student a cardboard piece with a number written on it for preparation. When the teacher shouts: 1, 2, 3, students immediately stand up and hold their cardboard pieces in their respective positions, and when the shouting stops, they must not change positions anymore.
The teacher and the whole class commend and praise those students who correctly arrange the numbers.

2. Pattern Matching Game (Grade 1 Math Game)
Purpose: Reinforce recognition of triangles, circles. Develop observation skills, identify patterns of shape sequences.
Preparation:
- Each student prepares circles, triangles (from the math toolkit for grade 1) placed on the table.
- The teacher prepares the following pattern sequence (can be drawn or attached to a whiteboard):
- The teacher presents the pattern sequence for the class to observe for a short period (counting from 1 to 10), then removes it.
- When the teacher gives the signal, students use their prepared shapes to match the pattern shown by the teacher.
- Within the predetermined time (1 minute or 2 minutes), students who match the pattern correctly and neatly will be rewarded.

3. Color the Shapes Right, Make Them Beautiful (Grade 1 Math Game)
Purpose: Reinforce the ability to recognize triangles, squares, circles, hone dexterity, aesthetic sense. Preparation: large paper with various shapes.
How to play:
- Divide the class into 2 teams, each team sends 3 representatives to play. The teacher gives each team 3 colored pens (green, red, yellow). Require careful observation of the drawings.
- When the teacher shouts: ‘Color the triangles red, color the squares blue, color the circles yellow’.
- Within 3 minutes, the team that colors correctly, beautifully (no smudging outside the shape, no overlapping colors due to confusion) wins.

4. Who's Faster? (Grade 1 Math Game)
Purpose: Aim to reinforce the lesson: Help students recognize and read the names of squares, circles, and triangles. Then identify these shapes through real objects.
Preparation: 5 squares, 5 circles, 5 triangles.
How to play:
The teacher attaches 5 squares, 5 circles, and 5 triangles to the board.
Call 3 students to the board to clarify the task: each student chooses 1 type of shape:
Student 1: chooses triangles.
Student 2: chooses squares.
Student 3: chooses circles.
Students compete to quickly select the shapes according to the assigned task.
Conclusion of the game:
The teacher and the whole class determine the winner and loser, applaud the quick chooser with a round of applause, penalize the loser with a song.

5. More or Less Game (Grade 1 Math Game)
Purpose:
- Students learn to compare the quantity of two groups of objects.
- Students learn to use the words 'more' and 'less' while playing.
The teacher presents two groups of objects with different quantities. Groups quickly determine which group has more and which has fewer objects.
The teacher presents a drawing: One side has 4 notebooks, the other side has 3 pens. Students quickly determine which is more, notebooks or pens.
Conclusion of the game:
The group with the most correct and quickest responses wins. The teacher rewards students who respond quickly (can reward with real items like in the game: notebooks, pens).

6. Order Arrangement Game (Grade 2 Math Game)
Purpose: To help students reinforce comparing and arranging numbers in order. From the given natural numbers, students compare and select to arrange them in ascending or descending order.
Preparation:
- Teacher: prepares 2 signal flags (Small paper flags, 2 flags of different colors)
- Students: each team has 5 pieces of laminated paper to write numbers on.
Team Selection: Each team has 4 or 5 members depending on the exercise requirements; students choose their team names (For example: names corresponding to the color of the signal flags like Green Team, Red Team).
How to Play: Two team captains collect the papers for their teams and distribute them to each member. The teacher instructs both teams to observe and compare the numbers they received within their group (in 1 minute). When the teacher gives the command and raises 2 flags in front of the group, gather vertically according to the requirements such as: “Gather in ascending order”; “Gather in descending order” then exchange signs between the two teams and continue playing. After 5 minutes, the team with more points will win.
The game can be used in lessons: Comparing numbers within 1000, Numbers from 101 to 110, Numbers from 111 to 200, Reviewing numbers within 1000 with exercises to arrange numbers in ascending and descending order.

7. Quick Math Challenge (Grade 2 Math Game)
Purpose: To practice and reinforce addition with carrying within 100. Training students on how to evaluate and score.
Preparation:
- A letter A and a letter B
- Several images of flowers cut from stiff colored paper, with arithmetic problems written on the white side (within 100)
- Colored chalk
- Stopwatch
- Select 3 of the best students in the class as judges and a secretary.
Scoring: Each correct arithmetic problem earns 10 points. Total the scores for each team. The team with more points wins.

8. Beehive Team Game (Grade 2 Math Game)
Purpose: To reinforce natural number sequences, order in natural number sequences, and multiplication tables of 2, 3, 4, 5.
Preparation: The teacher prepares some beehives made of laminated paper and writes according to the exercise requirements. Students prepare fountain pens.
How to Play: The teacher distributes one beehive to each group and asks the students to help the bees choose suitable numbers to continue building their hive. After completing the task, each group presents their work and provides feedback to each other, then votes for the winning team.
This game is used for exercises such as: Round numbers from 110 to 200, comparing three-digit numbers, multiplication tables of 2, 3, 4, 5 with exercises to fill in missing numbers in blank spaces.

9. Quick Response Game (Grade 2 Math Game)
Purpose: To practice mental calculation skills for addition, subtraction (rounding to tens, hundreds, thousands), multiplication, and division within the tables. Develop quick calculation skills.
Preparation: Choose 2 teams, each team names itself (e.g., White Rabbit - Brown Rabbit). Appoint judges, a secretary, and the rest of the students cheer for their team.
How to Play: Competitive game between two teams. Representatives from both teams rock-paper-scissors to see which side gives the question first. The first team mentions a multiplication, division, or addition/subtraction within the rounding numbers they have learned. The second team answers (If wrong, the audience has the right to answer).
After answering, the second team quickly mentions another calculation, requiring the first team to answer. Proceed similarly, and after about 5 minutes, stop. The secretary sums up how many correct answers each team has. Each correct answer scores 10 points. The team with the most points wins.

10. Electric Transmission Game (Grade 3 Math Game)
Purpose: Practice and reinforce skills in performing addition and subtraction without regrouping within 1000. Enhance quick reflexes in students.
Preparation: No need to prepare any equipment.
How to Play: Students sit in place. The teacher starts with one student volunteering. For example, the student loudly announces a number within 1000, such as '400,' and points quickly to another student, say student B, to 'transmit.' Now, student B must continue, for instance, by subtracting 200 and then quickly pointing to another student, say student C. Then student C must continue by saying 'equals 200.' If C answers correctly, they get to announce a number like A and point to another student D to continue 'transmitting.' This continues, and if any student makes a mistake, they get penalized.
Note:
- This game does not require any equipment or teaching aids.
- This game can be applied to various exercises (e.g., practicing addition, subtraction, multiplication, and division tables) and can vary the form of 'transmission.' For example, if a student loudly says '7 times 3' and points to the next student to transmit, that student only needs to say the result, which is 21.
- This game is simple yet creates a fun, lively, and enthusiastic atmosphere in the classroom.

11. Bingo Game (Grade 2 Math Game)
Objective: Reinforce addition, subtraction, and mental addition and subtraction within multiples of ten and one hundred.
Preparation: Two students, each with a Bingo board containing pre-written numbers. Students have markers.
How to Play: The teacher distributes Bingo boards to the groups. The teacher then sequentially announces and writes down arithmetic operations. Students mentally calculate the results and mark corresponding squares on their boards. The group that completes a row of marked squares shouts 'Bingo.' (The teacher and students verify the results together.)
This game is suitable for: Addition, subtraction, multiplication, and division exercises involving calculations and mental arithmetic.

12. Bee Finding Nectar Game (Grade 3 Math Game)
Purpose: Foster teamwork. Help students memorize multiplication and division tables.
Preparation:
- 2 five-petal flowers, each in a different color, with numbers written on each petal and magnets attached to the back.
- 10 Bee characters with arithmetic operations written on them, and magnets attached to the back.
- Colored chalk
How to Play:
- Divide the class into 2 teams, each with 4 students.
- The teacher divides the board into 2 sections, attaching one flower and 5 Bees to each section in random order, while introducing the game.
- The teacher places 2 flowers on the board, with each petal containing the result of an arithmetic operation. The Bees carry arithmetic operations and need to find their corresponding results. However, the Bees don't know how to find them and want the students' help. Can the students help them?
- The 2 teams line up. When the signal 'start' is given, each student takes turns connecting arithmetic operations with the appropriate numbers. The first student connects the first operation, then passes the chalk to the next student to continue, and so on until all operations are connected. The team that connects correctly and faster within 1 minute wins.

13. Who Scores the Most Game (Grade 3 Math Game)
Purpose: Practice and reinforce addition of 2-digit numbers within 100. Teach students how to evaluate and score.
Preparation:
- 2 plant pots labeled 1 and 2
- Several paper flowers in different colors, with arithmetic operations written on them
- Colored chalk
- Stopwatch
- Select 3 of the best-performing students in the class as judges and a secretary
How to Play: Divide the class into 2 teams. When the signal 'start' is given, each team member takes turns picking a flower from the teacher's desk, solving the arithmetic operation written on it quickly, then attaching the flower to their team's pot. Once done, the next team member takes their turn. This continues for 2 minutes. After the time is up, one representative from each team reads aloud the arithmetic operations on their team's flowers, while displaying them to the class. The judges evaluate, and the secretary records the results.
Scoring:
- Each correct arithmetic operation earns 10 points.
- The points for each team are totaled. The team with the highest score wins.

14. Unity Game
Duration: 5 – 7 minutes.
How to Play:
- Teacher announces: 'Unity, Unity'Students inquire: 'What's the outcome, what's the outcome?'.
- Teacher calls out arithmetic expressions like: 'What's the outcome of 3 x 2' or '14 minus 9', '8 plus 3'…
- Students must quickly compute the result and form teams according to the given instructions.
Rules: Those who are quick get praised, while those who are slow are penalized based on the class's requirements.

15. Quick Ticking Game (Math Game for Grade 3)
Requirement: Players need to know how to read time, grasp the clock's rotating principle, have a cooperative spirit, organizational consciousness, and agility.
Preparation: The teacher selects 2 teams, each with 18 students. Each student needs to prepare a hat for themselves, with 12 students wearing flower-shaped hats to act as the minute hand pivot.
Rules: The 2 teams will be arranged in a circle as follows:
- The teacher announces: Attention, two teams. It's now 3 o'clock. Hurry up and perform, hurry up and perform. The teacher and 2 chosen students observe and record the performance of the 2 teams (all students remain still, only 5 students including 2 short-hand students and 3 long-hand students move).
- When the teacher announces attention, the 5 students stand up. After listening to the teacher, they move gently to the necessary position and then sit down. This process repeats 3 (4) times. The teacher and the secretary summarize to see which team moves the hands quickly, neatly, and correctly (correct both hour and minute), with 10 points awarded each time; if the time is correct but there is confusion or disorder, 2 points are deducted.
- The team with more points wins.
- The losing team must recite the verse 'Quickly ticking, the clock always reminds, every minute, every hour, is more precious than gold and jade.' three times.

16. Proper Number Filling Game (Math Game for Grade 4)
Preparation: Draw small circles.
How to play: Fill in numbers from 1 to 7 into the small circles so that the sum of three numbers on the same straight line is equal. Divide the class into groups, each group consisting of 4 students. Each group fills in numbers on a small board, in 5 minutes, the group that correctly fills in the most boards with different sums wins and is commended by the whole class.
Note: The sum of numbers from 1 to 7 is 28. The sum of three sums on the lines equals 28 plus twice the number in the middle circle, and this number must be divisible by 3. Therefore, we have the following cases: The middle number is 1: sum = 28+2=30 (divisible by 3) – the sum of three numbers on a line is 10.. The middle number is 2: sum = 28+4=32 (not divisible by 3) – not allowed.. Numbers 3, 5, 6 are also not allowed.

17. Fence Building Game (Math Game for Grade 4)
Preparation: The teacher draws fences in the shape of X, writes numbers according to certain rules specified by the teacher. For example: The product of two numbers on the left and right sides equals the sum of the two numbers above and below.
Instructions: Write a number on the left side of the fence, write a number on the right side of the fence, multiply these two numbers to get the result, then remember and mentally calculate to see which numbers above and below the fence add up to the result of the two numbers on the left and right sides that have been found, then write these two numbers above and below the fence. For example: 7 X 2 Each team consists of 3 students. In 2 minutes, the team that builds the most fences and gets the correct results wins.

18. Lucky Number Box Game (Math Game for Grade 4)
Purpose: Reinforce and order natural numbers from largest to smallest (or vice versa).
Preparation: The teacher prepares a paper box containing pieces of paper with written instructions that students need to follow.
Procedure:
- Students pass the paper box to each other across the table, singing as they pass. The host of the game requests to stop, and the student holding the box will open it and read the instructions on any piece of paper they pick.
- For example: You and your friends take turns stating million-digit numbers. State any 5-digit number, and the next students must state sequentially larger 5-digit numbers, each two units larger than the previously stated number.

19. Setting Sail Game (Math Game for Grade 4)
Preparation: Prepare trapezoid-shaped cards with expressions written on them, and triangle-shaped cards with results written on them.
How to Play: Play in groups of 6 students. Each group attaches a card with an expression to a large sheet of paper and then selects a card with the corresponding result to attach on top to resemble a sailing boat. In 8 minutes, the group that correctly assembles the most boats wins. The winning group will be rewarded with a red flag by the teacher.

20. Who's Correct? Who's Quick? Game (Math Game for Grade 5)
Purpose of the Game:
- To help students grasp the concept of reading, writing, and comparing fractions and to practice ordering fractions.
- To develop quick thinking and creative intelligence.
Players: For average and above-average students.
Duration: 5 - 7 minutes.
Preparation: The teacher prepares 2 wooden dice with numbers from 1 to 9 written on each face. Students prepare scratch paper and pens for writing.
How to Play: Play in teams, with 4 teams of 3 students each. All 4 teams stand in rows facing each other and observe the results as the teacher rolls the dice 3 times in a row. Teams can assign each other to record the results of each roll. Then, they have 5 minutes to: Write the fractions after each roll. Example: Write the fraction from the numbers rolled on the dice: 54;…- Compare and order the fractions after each roll.- Compare and order all the fractions the team has written.- The teacher and the whole class will act as referees to check the work of the 4 teams.
Rules:- Complete writing all fractions after each roll: 10 points.- Compare and correctly order each pair: 10 points.- Compare and correctly order all fractions written by the team: 20 points (if there is a mistake or omission, no points will be awarded).The team that finishes first and is correct receives an additional 1 point. The winning team is the team with the most points.

21. Lucky Draw Game
Purpose:
- Reinforce understanding of even and odd numbers.
- Develop skills in reading numbers up to millions.
Preparation: 14 cardboard pieces (20cm x 5 cm) with millions place numbers written on one side, and adhesive on both sides (7 pieces with even numbers, 7 pieces with odd numbers).
Number of participating students: 2 teams, each with 7 students. Even team – Odd team.
How to Play:
- The teacher has the even team stand on one side, and the odd team on the other. The teacher sticks one cardboard piece on the board, shuffling even and odd numbers. The teacher invites one student from each team (alternating) to come forward and pick any piece. When a student reveals the number, they must read it aloud (if the student reads it incorrectly, the teacher corrects them immediately).
- The teacher asks, “even or odd”. If it's even, the student gives the piece to the even team, and vice versa. The team with more pieces wins; if tied, it's a draw.

22. The Perfect 10 Flowers Game (Math Game for Grade 5)
Purpose of the Game:
- Help students memorize the formulas for calculating the perimeter and area of basic shapes in the curriculum.
- Encourage flexible application combined with mental math skills to calculate the perimeter and area of some shapes.
Target Players: For average and above-average students.
Game Duration: 5 – 7 minutes.
Preparation: The teacher prepares a bouquet of flowers placed in the middle of the podium, with the inner colored paper flowers containing questions:
- Question 1: How many types of angles are there? Compare the angles with right angles.
- Question 2: What are the characteristics of a square?
- Question 3: What are the characteristics of a rectangle?
- Question 4: Describe the similarities and differences between a square and a rectangle.
- Question 5: Explain the difference between the perimeter and the area of a shape? Provide illustrative examples.
- ...
How to Play: Individual competition among students. Students volunteer to pick flowers. After picking a flower, they must read the question to the class before answering. If the answer is correct and well-explained, the class applauds loudly and rewards the student with a flower. If the answer is correct but not well-explained, the applause is softer. If the answer is incorrect and the student cannot answer even with hints from the teacher, they step back, and another student takes their place.
Rules of the Game: The teacher evaluates and rewards students who give outstanding answers.

23. The Championship Team Game (Math Game for Grade 5)
Purpose of the Game:
- Help students grasp the method of solving problems to find two numbers when knowing their sum and difference.
- Develop quick thinking, intelligence, and creativity.
Target Players: For average and above-average students.
Game Duration: 5 minutes.
Preparation: The teacher divides the class into three teams, each team consisting of five students, and prepares five sets of math problems for the three teams.
How to Play: When the teacher announces the start of the 5-minute period, each student in the team draws a math problem from their team's set and solves the problem. The student who finishes first submits their solution and returns to their seat. The teacher marks the submissions completed before the specified time. After the time is up, the teacher and the entire class score each team.
Rules of the Game:
- Each correct solution earns 10 points.
- If there is an error in a calculation or solution, deduct 2 points.
- Each submission completed before the specified time earns an additional point.
- If any student continues writing after the specified time, their work is disqualified and not scored.
- The team with the highest total points wins.

24. Find Your Home Game (Math Game for Grade 5)
Objective:
- Help students master the basic properties of fractions and apply them flexibly.
- Develop quick thinking, intelligence, and creativity.
Target Players: For proficient students.
Game Duration: 7 – 10 minutes.
Preparation:
- The teacher prepares some ribbons, draws two houses, and writes a fraction on each house.
- 8 pencils and cards with fractions written on them.
- Each team selects 4 players to participate once and plays in two rounds.
How to Play: The teacher shuffles the cards and distributes them to the team members of the two teams alternately, asking students to carefully observe the numbers written on the houses in the drawings of the two castles and on the cards, then think and decide which house they will enter. They then write their names with colored pencils on the back of the cards and under the drawing of the house. After that, they return the cards to the teacher and go back to their seats.
Rules of the Game: The teacher and two selected students as 'guards' will check the cards at the door with the names written below the houses. Anyone who enters the wrong house will have their hair tied up on top of their head. After two rounds, the team with more players with tied ribbons loses.

25. Capture the Flag Score Game (Math Game for Grade 5)
Objective:
- Help students grasp the structure of decimal places and how to write numbers according to position, flexibly applying them in game situations.
- Develop quick thinking, intelligence, and creativity.
Target Players: For average and above-average students.
Game Duration: 7-10 minutes.
Preparation:
- 5 flags in different colors: blue, red, purple, yellow, white, 5 pieces of foam to hold the flags, 1 piece of red foam to use as a comma separator.
- The teacher and one student will act as a secretary recording the order of the flags and the score of each team.
- Game Rules: 2 teams line up, take attendance from 1-5 as follows: 5 4 3 2 1 _ 1 2 3 4 5
- Each team will play two rounds, with 5 students forming a team lineup as described above in each round.
How to Play:
- When the teacher calls out, the two number 1 students (from each team) run to capture flags, each allowed to capture 1 flag from the highest row of the decimal places.
- The person who captures a flag from a particular row must loudly declare that row, and then the number 2 students take turns capturing a flag from the remaining highest row, while the remaining students, depending on where the comma separator is placed, will capture flags corresponding to the points.
- The team with more points wins.

