Rounding
Expanded form
Multiplication
Division
Problem-solving (HARD!)
100

round to the nearest 10

39

34

88

22

40

30

90

20

100

234

200 + 30 + 4

100

6 x 5

30

100

8/4

2

100

3+3x*= 21

*= ???

*= 6

200

round to the nearest 100

139

178

151

100

200

200

200

1654

1000 + 600 + 50 + 4

200

7 x 6

42

200

60/6

10

200

6+4x*= 46

*= ???

*= 10

300

round to nearest 50

167

274

357

798

150

250

350

800

300

5947

5000 + 900 + 40 + 7

300

9 x 8

72

300

54/6

9

300

11+2x*= 27

*= ???

*= 8

400

round to nearest 20

22

43

67

84

20

40

60

80

400

11345

10 000 + 1000 + 300 + 40 + 5

400

11 x 7

77

400

63/9

7

400

10+3x*=28

*= 6

500

round to the nearest 1 000 000

1 846 837

3 829 812

7 654 942

2 000 000

4 000 000

8 000 000

500

975 643

900 000 + 70 000 + 5 000 + 600 + 40 + 3

500

12 x 9

108

500

104/8

13

500

12+4x*= 48

*= ???




*= 9