Buzz
Refer to more good learning materials for Math 3:
- Explore the full set of Solving Math Grade 3 Connections between Knowledge and Life
- Solving Math Grade 3 exercises on pages 19, 20 of Creative Horizon book - What can you do?
- Solving Math Grade 3 exercises on page 25 of Kite book - The 7 times table
Solving Math Grade 3 exercises on pages 31, 32 Connections between Knowledge and Life Book
Solving exercises on pages 31 and 32 of Math Grade 3 Textbook, Connections between Knowledge and Life:
The 7 times table, the 7 division table
Activity
1. Solving Exercise 1 on Page 31 Math Grade 3 Textbook
Problem: What's the number?
Solution Guide:
- Step 1: Mentally calculate using the 7 times table and the 7 division table.
- Step 2: Write the appropriate result in the blank space.
Answer:
2. Solving Exercise 2 on Page 32 Math Grade 3 Textbook
Problem: How many balls did the robot collect, given that they have arithmetic operations resulting in less than 28?
Solution Guide:
- Step 1: Mentally calculate using the 7 times table and the 7 division table.
- Step 2: Count the number of balls with results less than 28 and answer the question.
Answer:
7 x 3 = 21 56 : 7 = 8
35 : 7 = 5 7 x 6 = 42
7 x 4 = 28 49 : 7 = 7
7 x 9 = 63 21 : 7 = 3
The number of balls with arithmetic operations resulting in less than 28 is 5.
So, the robot collected 5 balls.
3. Solving Exercise 3 on Page 32 of Math Grade 3 Textbook
Problem: Each week has 7 days. Mai's father goes on business trips for 4 weeks. How many days does Mai's father go on a business trip?
Solution Guide: Mai's father's days on a business trip = Number of days in a week x Number of weeks on a business trip.
Answer:
The number of days Mai's father goes on a business trip is:
7 x 4 = 28 (days)
Answer: 28 days.
Practice
1. Solving Exercise 1 on Page 32 of Math Grade 3 Textbook
Problem: List the missing numbers:
Solution Guide: Count forward by 7 units or count backward by 7 units, then fill in the missing number in the blank space.
Answer:
2. Solving Exercise 2 on Page 32 of Math Grade 3 Textbook
Problem: What is the number?
Solution Guide: Calculate mentally using the 7 times table and the 7 division table, then fill in the appropriate number in the blank space.
Answer:
3. Solving Exercise 3 on Page 32 of Math Grade 3 Textbook
Problem: There are 42 cups evenly distributed into 7 boxes. How many cups are in each box?
Instructions: Number of cups in each box = Total number of cups : Number of boxes.
Answer:
Each box contains the number of cups:
42 : 7 = 6 (cups)
Answer: 6 cups
- Read more: Solving exercises on pages 34, 35 of Math Grade 3 Textbook, Connections between Knowledge and Life
4. Solving Exercise 4 on Page 32 of Math Grade 3 Textbook
Question:
Solution Guide:
- Mentally calculate multiplication and division operations.
- Compare the results on both sides and fill in the appropriate sign in the blank space.
Answer:
Solving exercises on pages 31, 32 of Math Grade 3 Textbook, Connections between Knowledge and Life has assisted students in solving exercises from the lesson on the 7 times table and the 7 division table. Students can refer to it together to complete the exercises easily.
