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Solving Math exercises on pages 68 and 69 of Grade 3 Workbook by Cánh Diều
Solving exercises on pages 68 and 69 of Grade 3 Math Workbook, published by Cánh Diều
Multiplying multiples of ten by single-digit numbers
1. Solving Exercise 1 on Page 68 of Grade 3 Math Textbook
Problem: Calculate mentally:
Answer:
30 x 3 = 90
20 x 2 = 40
40 x 2 = 80
30 x 2 = 60
2. Solving Exercise 2 on Page 69 of Grade 3 Math Textbook
Problem: Observe the pictures and state the appropriate multiplication.
Answer:
The appropriate multiplications for each picture are:
a) 20 x 4 = 80
b) 40 x 2 = 80
- See more: Solving Exercises on Pages 70 and 71 of Grade 3 Math Textbook, Cánh Diều Publishing
3. Solving Exercise 3 on Page 69 of Grade 3 Math Textbook
Problem: Each basket contains 20 kilograms of sweet potatoes. How many kilograms of sweet potatoes are there in 5 baskets in total?
Solution: The total kilograms of sweet potatoes in 5 baskets = kilograms of sweet potatoes in 1 basket x 5.
Answer:
The total kilograms of sweet potatoes in 5 baskets is:
20 x 5 = 100 (kg)
Final answer: 100kg of sweet potatoes.
For solving exercises on pages 68 and 69 of Grade 3 Math Textbook, Cánh Diều Publishing, it is hoped that students have grasped the concepts, making exercises easier and more effective. Additionally, parents can refer to these solutions to guide their children in completing exercises accurately.
