Addition
Subtraction
Rounding
Multiplication
Decimals
100

3,276 + 6,185

9,461

100

3,920 - 2,219

1,701

100

6,355 rounded to the nearest 10

6,360

100

8 × 6 =

48

100

0.57 + 0.42

0.99

200

2,808 + 1,084

3,892

200

5,195 - 1,849

3,346

200

677 rounded to the nearest 100

700

200

7 × 7 =

49

200

0.67 + 0.05

0.72

300

9,229 + 8,580 

17,809

300

427,495 - 49,787

377,708

300

5,580 rounded to the nearest 100

5,600

300

6 × 9 =

54

300

0.34 + 0.68

1.02

400

5,792 + 9,951

15,743

400

49,000 - 9,880

39,120

400

6,681 rounded to the nearest thousand

7,000

400

12 × 3 =

36

400

9.2 - 0.3

8.9

500

7,903 + 1,148

9,051

500

93,000 - 4,101

88,899

500

448 rounded to the nearest thousand

0

500

10 × 11 =

110

500

0.73 - 0.46

0.27

500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500