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Does this use rounding or compatible numbers?

Compatible numbers

Find the answer

2,520

40 x 500

200,000

Using compatible numbers, what is one way you could estimate these numbers?

25 x 40 20 x 40 25 x 35

Does this use rounding or compatible numbers?

Rounding

What multiplication does this array show?

3 x 4 or 4 x 3

find 40 x 100

4,000

Is this an array?

No

What is the answer for problem 1 and 2?

problem 1: 9 problem 2: 189

What are the partial products of 9 x 25

A

Find the answer

630

find 100 x 400

40,000

What multiplication does this array show?

4 x 4

Using rounding to the nearest ten, how would you change these numbers?

200 x 40

What multiplication does this array show?

4 x 4

Find the asnwer

43 x 270 = 11,610

70 x 600

42,000

find 30 x 3,000

90,000

What is the answer for problem 1 and 2?

problem 1: $8 problem 2: $12

Find the answer

3,252

Using compatible numbers, what is one way you could estimate these numbers?

15 x 30 15 x 25

What is the final product of 37 x 26?

962

2000 x 500

1,000,000

Using compatible numbers, what is one way you could estimate these numbers?

25 x 40 or 20 x 40 or 25 x 35

What are the missing partial products?

600, 42, 140, 180

Using rounding to the nearest ten, how would you change these numbers?

180 x 10