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Multiply multi-digit
Multiply 2 x 2
Estimates
Divide: 3-digit by 1-digit
Divide: 4-digit by 1-digit
100

613 x 3

1,839

100

60 x 15

900

100
Estimate to the greatest place value: 240
200
100
360 / 6
60
100
1428 / 7
204
200
218 x 3
654
200

45 x 72

3240

200
Estimate to the greatest place value: 4,700
5,000
200
457 / 3
152 R1
200
5025 / 5
1005
300

129 x 7

903

300

16 x 28

448

300
Estimate to the greatest place value: 32.09
30
300
568 / 6
94 R4
300
1634 / 8
204 R2
400

1504 x 9

13,536

400

46 x 72

3,312

400
Solve using estimation: 482 x 9
5,000
400
750 / 4
187 R2
400
6521 / 9
724 R5
500
3,800 x 8
30,400
500

86 x 95

8,170

500
Solve using estimation: 482 / 9
50
500
253 / 2
126 R1
500
8162 / 8
1020 R2