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Array's by Place Value

100

12 x 32

384

200

15 x 33

495

300

28 x 39

1,092

400

47 x 83

3,901

500

108 x 36

3,888

Standard Multiplication

100

9 x 31

279

200

11 x 42

462

300

15 x 32

480

400

27 x 64

1,728

500

47 x 67

3,149

Dividing

100

156 / 12

13

200

516 / 12

43

300

555 / 15

37

400

546 / 13

42

500

779 / 19

41

Estimation

100

Round numbers to nearest 10's before estimating:

518 / 19

520 / 20 = 26

200

Round numbers to the nearest 10's before estimating:

424 / 27

420 / 30 = 14

300

Round numbers to the nearest 5's before estimating:

628 / 17

630 / 15 = 42

400

Round numbers to the nearest 5's before estimating:

721 / 39 

720 / 40 = 18

500

Round the divisor to the nearest thousand and round the dividend to the nearest 10's:

22,346 / 23

22,000 / 20 = 1,100

Ratio Tables

100

Create a Ratio Table:

how many gallons are in 352 cups?

22 gal

200

Create a ratio table to solve:

400 cups of water = how many gallons?

25 gal

300

Create a Ratio Table:

How many gallons are in 496 cups?

31 gal

400

Create a Ratio Table:

How many gallons are in 672 cups?

42 gal

500

Create a ratio table to solve:

How many gallons are in 1,392 cups?

87 gal