Math Ch.2 Multiply by 1-Digit Numbers

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There are 27 campers. This is nine times as many as the number of counsellors. How many counsellors are there?

3

Write a Multiplication Comparison sentence for 63 = 7 x 9

63 is 7 times as many as 9

Find the value of n using equations 4 x 27 + 5 x 34 - 94 = n

108 + 5 x 34 - 94 = n 108 + 170 - 94 = n 278 - 94 = n 184 = n

Write an equation 2 times as many as 8 is 16

2 x 8 = 16

Find the product of 4 x 19=___ using the distributive property

4 x 10 = 40 and 4 x 9 = 36 40 + 36= 76 4 x 19 = 76

Record the product 4 x 19 =___ using expanded form

4 x 19 = 4 x (10 + 9) = (4 x 10) + (4 x 9) = 40 + 36 = 76

Write an equation 42 is 6 times as many as 7

42 = 6 x 7

Write a Multiplication Comparison sentence for 6 x 3 = 18

6 times as many as 3 is 18

Find the product of 6 x 532=___ using the distributive property

6 x 500= 3000 and 6 x 30= 180 and 6 x 2= 12 3000 + 180 + 12= 3192 6 x 532= 3192

Record the product 6 x 532 =___ using expanded form

6 x 532 = 6 x (500 + 30 + 2) = (6 x 500) + (6 x 30) + (6 x 2) = 3000 + 180 + 12 = 3192

Estimate 318 x 3 = ____ , then record the product

Estimate: 900 318 X 3 -------- 954


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