6th Grade Challenge

Addition/Subtraction

100

29 + 47

76

200

56 + 96

152

300

234 - 177

57

400

963 + 847

1810

500

1258 - 967

291

Multiplication/Division

100

9 X 6

54

200

11 X 12

132

300

168 / 14

12

400

18 X 15

270

500

294 / 21

14

Factoring/Multiples

100

Find all the Factors of 18

1, 2, 3, 6, 9, 18

200

First 5 Multiples of 16

16, 32, 48, 64, 80

300

Find all the Factors of 24

1, 2, 3, 4, 6, 8, 12, 24

400

First 5 Multiples of 27

27, 54, 81, 108, 135

500

Find all the Factors of 64

1, 2, 4, 8, 16, 32, 64

GCF/LCM

100

GCF of 48 and 42

6

200

GCF of 96 and 72

24

300

LCM of 24 and 18

72

400

GCF 144 and 108

36

500

LCM of 72 and 48

144

Equations

100

y + 47 = 93

y = 46

200

b - 84 = 138

b = 222

300

12x = 216

x = 18

400

9z + 42 = 177

z = 15

500

12m - 76 = 116

m = 16