Mental Math
Fractions
Decimals
Algebra
Miscellaneous Math (M^2)
100

Add


3+6+7+4+5

25

100

Simplify the fraction


10/15

2/3

100

Add the decimals.

3.28  +  5.1

8.38

100

Solve the proportion.

2          x

_    =   __


3        12

x= 8

100

In what quadrant would this point be located?


(-6,3)

Quadrant II

200
Subtract


100-25

75

200

Add AND SIMPLIFY

1/2 + 1/4

3/4

200

Subtract the decimals.

50 - 12.7

37.3

200

Solve for x.


x+ 12= 20

x=8

200

What is the perimeter of a square whose side length is 3.5 inches?


Include units

14 inches

300

Multiply


4 X 3 X 7 X 10 X 0 X 5 X 1

0

300

Subtract AND SIMPLIFY


7/8 - 1/4

5/8

300

Multiply the decimals


0.8 x 0.06

0.048

300

Solve for x


X- 28 = 52

X=80

300

What is the formula for the area of a triangle?

bh / 2


1/2 bh

400

Divide


150/3

50

400

Multiply AND SIMPLIFY


5/6 x 3/10

1/4

400

Divide the decimals.


6.4 / 0.08

80

400

Solve for x


4x= 22

x=5.5

400

Convert the fraction to a percent.


1/8


12.5%

500

Estimate

19.8 x 5.2

About 100 


500

Divide AND SIMPLIFY


24 /  1/2


48

500

Convert the decimal to a fraction  


0.12

3/25

500

Solve for x


x / 11= 12

X= 132

500

Find the unit rate.


You want to buy 6 bags of Takis $28.74. Find the cost per bag.

$4.79 per bag