Math 122 Bootcamp Day 1

Say What?

100

Mental Math

30+30 + 40 =

100

200

Mental Math

9³=

729

300

Mental Math

60 divided by ____ = 5

12

400

Mental Math

3x3x3=

27

500

Mental Math

9 x 12 =

108

Subtract!

100

Mental Math

222-123=

99

200

Mental Math

562-572=

-10

300

Mental Math

60 - 31 = 

29

400

Mental Math

42-18=

24

500

Mental Math

Shane's mom said to take a break after lunch at 12:25 p.m. His break was over at 1:10 p.m. How long was his break?

45 minutes

Add!

100

MENTAL MATH

37 + 70 = 

107

200

MENTAL MATH

155 + 245 = 

400

300

MENTAL MATH

98 + 99 = 

197

400

MENTAL MATH

30 + __ = 131

101

500

MENTAL MATH

143 + 134 = 

277

Multiply!

100

MENTAL MATH 

4 x 12 =

48

200

Mental Math

50 x 8 =

400

300

Mental Math

12 x 7 = 

84

400

Mental Math

12 x 11 =

132

500

MENTAL MATH

55 x 3 = 

165

Divide!

100

64/4=

16

200

MENTAL MATH

125 divided into 5 groups

25

300

MENTAL MATH

80 divided into 5 groups

16

400

MENTAL MATH 

45 divided into 9 groups 

5

500

Mental Math

72 divided into 6 groups

12

Find x

100

3x = 6

2 

200

5x = 4x

0

300

2x=60

30

400

2x+3x=15

3

500

4 + 2x = 6

1