Math

Addition

100

Mental Math 

7+4+21+8=

40

200

Mental Math 

If a child is 4 years old, how many days old are they?

(hint, how many days are in a year?)

1460 Days old

300

Mental Math

400+700+40+29+23+8

1200

400

Mental Math

How many weeks are included in 4 calendar years?

(hint, 52 weeks are in a year)

208

500

Mental Math 

798+81+3+281=

1,163

Subtraction

100

MENTAL MATH

(8-2)-(9-5)

(6)-(4)=2

200

MENTAL MATH

(70-25)- (40-20)

(45)-(20)= 20

300

MENTAL MATH=

73-21

52

400

MENTAL MATH

(290-150)-6

140-6= 134

500

MENTAL MATH 

1348-789=

559

Add/Sub

100

MENTAL MATH 

5+245-30

220

200

MENTAL MATH 

73+26-14-30+22=

77

300

MENTAL MATH 

37+63-54-42

4

400

MENTAL MATH 

5-4+32-12+8-4

25

500

MENTAL MATH 

10+15-3-1+21+37-25-6+2

50

Multiplication

100

MENTAL MATH 

3(2 x 8)

48

200

MENTAL MATH 

2(8 x 3 x 4)

192

300

MENTAL MATH 

160 x 4

640

400

MENTAL MATH 

4 x 15 x 2

120

500

MENTAL MATH 

5 x 3 x 11

165

Divide

100

MENTAL MATH 

630/7

90

200

MENTAL MATH 

600/5=

120

300

MENTAL MATH 

If there are 52 weeks in a year and four seasons (winter, spring, summer, fall), Approximately how many weeks are in each season?

13

400

MENTAL MATH 

160,000/20,000

8

500

MENTAL MATH 

165/5=

33

Cubed

100

MENTAL MATH 

4³

64

200

MENTAL MATH 

6³

216

300

MENTAL MATH 

7³

343

400

MENTAL MATH 

5³

125

500

MENTAL MATH 

9³

729