Show:
Finding the Sum
Finding the Difference
Regrouping
Round nearest 10
Round nearest 100
100

23+8

31

100

28-13

15

100

Find the sum

32+59

91

100

Round 18 to the nearest 10

20

100

Round the number 205 nearest hundred

200

200

33+11

44

200

88-24

64

200

Find the sum 

54+28

82

200

Round 3 nearest ten

0

200

Round 475 nearest hundred

500

300

500+200

700

300

100-60

40

300

Find the difference

66-28

38

300

Round 54 nearest 10

50

300

Round 323 nearest hundred

300

400

600+300

900

400

500-300

200

400

Find difference

75-39

39

400

Round 66 nearest 10

70

400

Round 890 nearest hundred

900

500

500+500

1000

500

800-200

600

500
Solve this equation

62-31

31

500

Round 70 to nearest 10

70

500

Round 600 to the nearest hundred

600