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Solving Math 3 Workbook pages 98, 99, 100 Volume 2
Solving exercises on pages 98, 99, 100 of Math 3 Workbook Volume 2, the book Connecting Knowledge to Life:
Division of a five-digit number by a single-digit number
Activity 1
1. Solve Exercise 1 Page 98 Math Workbook Grade 3
Problem: Calculate.
Solution Guide: Perform division step by step from left to right.
Answer:
2. Solve Exercise 2 Page 98 Math Workbook Grade 3
Problem: Set up and then calculate.
Solution Guide: Divide the number of salt evenly among the trucks.
Answer:
3. Solve Exercise 3 Page 98 Math Workbook Grade 3
Problem: A warehouse contains 10,160 kilograms of salt. It is evenly distributed into 4 trucks to transport to the mountain region. How many kilograms of salt does each truck carry?
Solution Guide: The number of kilograms of salt each truck carries = Salt in the warehouse : 4.
Answer:
Each truck carries the kilograms of salt:
10,160 : 4 = 2,540 (kg)
Answer: 2,540 kg salt.
Activity 2
1. Solve Exercise 1 Page 99 Math Workbook Grade 3
Problem: a) Calculate.
b) Number?
Solution Guide:
a) Perform division step by step from left to right.
b) Based on the result in part a, fill in the appropriate number in the blank.
Answer:
a) Calculate.
b) Number?
Problem: Set up and then calculate.
Answer:
Solution Guide: Divide the number of pills by the number of pills in one tray and answer the question.
Answer:
We have 10,243 : 8 = 1,280 (remainder 3).
So, 10,243 pills can be packed into a maximum of 1,280 trays with 3 pills left over.
Problem: There are 10,243 pills, they are packed into trays, each tray contains 8 pills. How many trays can be packed at most and how many pills are left over?
Problem: There are 10,243 pills, they are packed into trays, each tray contains 8 pills. How many trays can be packed at most and how many pills are left over?
Solution Guide: Divide the number of pills by the number of pills in one tray and answer the question.
Answer:
We have 10,243 : 8 = 1,280 (remainder 3).
So, 10,243 pills can be packed into a maximum of 1,280 trays with 3 pills left over.
Practice
Problem: Calculate mentally (according to the example).
Problem: Mentally calculate (following the example).
Solution Guide: Observe the example then mentally calculate the results of the divisions.
Answer:
a) 21 thousand : 3 = 7 thousand
21,000 : 3 = 7,000
b) 24 thousand : 4 = 6 thousand
24,000 : 4 = 6,000
c) 56 thousand : 7 = 8 thousand
56,000 : 7 = 8,000
2. Solve Exercise 2 Page 100 Math Workbook Grade 3
Problem: Number?
Solution Guide: Divide the dividend by the divisor and fill in the quotient and remainder values into the blanks.
Answer:
- See more: Solving exercises on pages 101, 102 of Math 3 Workbook Volume 2, the book Connecting Knowledge to Life
3. Solve Exercise 3 Page 100 Math Workbook Grade 3
Problem: a) Set up and then calculate.
b) Among the calculations in part a:
- Which calculation has the largest result?
- Which calculation has the smallest result?
Solution Guide:
a) Set up and then calculate:
- Set up the division.
- Perform division step by step from left to right.
b) Base your answer on the result in part a.
Answer:
a,
- The calculation 27,162 ÷ 3 = 9,054 has the largest result.
- The calculation 36,180 ÷ 4 = 9,045 has the smallest result.
4. Solve Exercise 4 Page 100 Math Workbook Grade 3
Problem: There are 12,000 colored crayons. They are packed into boxes, each box containing 6 crayons. How many boxes of colored crayons can be packed in total?
Solution Guide: The number of boxes of colored crayons = Number of colored crayons : Number of colored crayons in 1 box.
Answer:
12,000 colored crayons can be packed into total number of boxes of colored crayons:
12,000 : 6 = 2,000 (boxes)
Answer: 2,000 boxes of colored crayons.
This is the solution for exercises on pages 98, 99, 100 of Math 3 Workbook Volume 2, the book Connecting Knowledge to Life. Here, Mytour wishes all students to study Math well, absorb useful knowledge, and be able to solve various exercise types.
