Relationship between multiplication and division

To relate multiplication and division. In pairs:

Multiply 32 by 4.
32 4 =
Use the product to complete the following:
1. ÷ 4 = 32
2. ÷ 32 = 4
Discuss the results and relationship between multiplication and division. Share with other groups.

Example 3

Find the missing numbers.

$35 \times 6 = 210 210 \div 6 = 35 210 \div 35 = 6$

Example 4

I think of a number. I divide the number by 6. The answer is 96. What is the number?

$\div 6 = 96 = 96 \times 6 = 576$

Exercise C

24 × 3 = 72
72 ÷ 3 =
72 ÷ 24 =

61 × 4 = 244
244 ÷ 4 =
244 ÷ 61 =

85 × 6 = 510
510 ÷ 6 =
510 ÷ 85 =

28 × 9 =
252 ÷ 9 =
252 ÷ 28 =

30 × 6 =
180 ÷ 6 =
180 ÷ 30 =

45 × = 360
360 ÷ 45 =
360 ÷ = 45

30 5 =

C4

A green grocer had some apples. The apples were packed in 16 cartons. Each carton contained 8 apples. How many apples did the green grocer have?

C5

A group of people were transported for an educational tour. The vehicles used carried 14 people. There were 6 vehicles that were used. How many people went for the tour?