Math9_Basic

Addition

100

Mental Math 

5+5+5+8

23

200

Mental Math 

50+50+(-10)

90

300

Mental Math

-100+(-900)+200

-800

400

Mental Math 

104+(-234)

-130

500

Mental Math 

-105+(-45)+(-45)=

-195

Subtraction

100

MENTAL MATH

-5-1

-6

200

MENTAL MATH

60-15

45

300

MENTAL MATH

17-81=

-64

400

MENTAL MATH

250-150-6

94

500

MENTAL MATH 

-111-235=

-346

Multiplication

100

MENTAL MATH 

-2 x 4

-8

200

MENTAL MATH 

-9 x(-5)

45

300

MENTAL MATH 

13 x (-3)

-39

400

MENTAL MATH 

18 x 15

270

500

MENTAL MATH 

-5 x 3 x (-9)

135

Divide

100

MENTAL MATH 

63/7

9

200

MENTAL MATH 

-40/5=

-8

300

MENTAL MATH 

-54/-6

9

400

MENTAL MATH 

140/-20

-7

500

MENTAL MATH 

-165/-5=

33

Squared

100

MENTAL MATH 

4² +1

17

200

MENTAL MATH 

6² - 10

26

300

MENTAL MATH 

9² + 2(9) =

99

400

MENTAL MATH 

5² + 2(5) - 8

27

500

MENTAL MATH 

3² - 2(3) -10

-7