Rounding
Multiplication
Division
Addition
100

33 rounded to the nearest ten

30

100

7 x 7

49

100

7 divided by 7

1

100

15 + 15 

30

200

93 round to the nearest ten

90

200

9 x 9

81

200

50 divided by 2

25

200

55 + 45

100

300

250 rounded to the nearest hundred

300

300

11 x 3

33

300

100 divided 20 

5

300

79 + 51

130

400

789 round to the nearest hundred

800

400

20 x 5

100

400

420 divided by 7

60

400

150 + 350

500

500

5,389 rounded to the nearest thousand

5,000

500

50 x 7

350

500

1000 divided by 50

20

500

420 + 730

1,150