MATH IS SO COOL, by Oliver and Marin

Adding

100

15 + 20

35

200

105+15

120

300

153+23

176

400

26+23

49

500

1385+92

1477

Subtracting

100

23-8

15

200

52-15

37

300

89-43

46

400

945-72

873

500

1256-23

1233

Rounding

100

6,824 to the nearest ten

6,820

200

round 37,976 to the nearest hundred

38,000

300

76,435 to the nearest thousand

76,000

400

75,346 to the nearest ten-thousand

80,000

500

375,356 to the nearest hundred-thousand

400,000

Long Division

100

396÷ 4

99

200

188÷ 2

94

300

435÷ 5

87

400

276÷ 6

46

500

504÷ 9

56

Multiplication

100

56 × 9

504

200

34×23

782

300

36 × 46

1656

400

42× 21

882

500

69 × 45

3015