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Solving exercises on pages 46, 47 of Math 3 Workbook Volume 1, Cánh Diều Book:
Division Table 7
1. Solve Exercise 1 Page 46 Math Workbook Grade 3
Exercise: Calculate mentally:
14 : 7 21 : 7 56 : 7
7 : 7 42 : 7 70 : 7
35 : 7 28 : 7 63 : 7
Solution Guide: Base your calculations on the division table for 7.
Answers:
14 : 7 = 2 21 : 7 = 3 56 : 7 = 6
7 : 7 = 2 42 : 7 = 6 70 : 7 = 10
35 : 7 = 5 28 : 7 = 4 63 : 7 = 9
2. Solve Exercise 2 Page 46 Math Workbook Grade 3
Exercise: Calculate:
7 x 2 7 x 5 7 x 9
Solution Guide: In each column, we rely on the first multiplication to write the results of the two divisions below.
Answers:
7 x 2 = 14 7 x 5 = 35 7 x 9 = 63
14 : 7 = 2 35 : 7 = 5 63 : 7 = 9
14 : 2 = 7 35 : 5 = 7 63 : 9 = 7
3. Solve Exercise 3 Page 47 Math Workbook Grade 3
Problem: Observe the picture, state the appropriate calculations
Answers:
The suitable calculations for the picture are:
7 x 2 = 14
14 : 2 = 7
14 : 7 = 2
4. Solve Exercise 4 Page 47 Math Workbook Grade 3
Problem: Calculate (following the pattern)
Answer:
