Rounding
Standard Form
Addition
Easy Multiplication
Hard Multiplication
100

45 rounded to the nearest ten

What is 50

100

500+40+3

What is 543

100

35+60

What is 95

100

1x1

What is 1

100

33x22

What is 726

200

249 rounded to the nearest 10

What is 250

200

7000+600+40+1

What is 7641

200

56+44

What is 100

200

5x7

What is 35

200

22x13

What is 286

300

578 rounded to the nearest 100

What is 600

300

300+50+4+0.8+0.09

What is 354.89

300

25+82

What is 107

300

2x12

What is 24

300

53x11

What is 583

400

1694 rounded to the nearest 100

What is 1700

400

1000+0+0+1

What is 1001

400

99+99

What is 198

400

11x11

What is 21

400

34x78

What is 2652

500

574.46566779657 rounded to the nearest tenth

What is 574.5

500

1,000,000+0+0+0+900+50+5

What is 1,000,955

500

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What is 5050

500

12x13

What is 156

500

99x99

What is 9081

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