Fractions and Decimals
Adding, Subtracting, Multiplying, and Dividing Decimals
Equations with Decimals
Square Roots
Pythagorean Theorem
100

Convert the given decimal into a mixed fraction (do not simplify).

414.939

414  939/1000

100

4.76-(-2.1)

6.86

100

-4.9x+88.2 = 24.5

x = 13

100

Compute the exact square root of 441.

21

100

The length of one leg of a right triangle is 6m and the length of the hypotenuse is 10m. Find the exact length of the other leg.

8m

200

Convert the given fraction into a decimal 

59/16

3.6875

200

-2.12+8.1

5.98

200

-5.8x +0.32+0.2x = -6.96

x=1.3

200

Compute the exact square root of 3.61 .

1.9

200

The length of two legs of a right triangle are 6m and 22m. Find the exact length of the hypotenuse.

the square root of 520 m

300

Convert the given fraction to a decimal.

61/15

4.06666...

300

(7.81)(-5.5)

-42.955

300

6.24x - 5.2 = 5.2x

x = 5

300

Compute the exact square root of 225/16.

15/4

300

the length of two legs of a right triangle are 3 meters and 18 meters. Find the length of the hypotenuse. Round your answer to the nearest hundredth.

18.25m

400

Simplify by first converting the fraction into a terminating decimal.

7/5 +5.31

6.71

400

(-0.119)/(0.85)

-0.14

400

0.9(0.4x+2.5)-2.5 = -1.9(0.8x+3.1)

x = -3

400

-4-3(square root of 529)

-73

400

Mrs. Smith and Mrs. Schumaker are planning a 13m by 18m rectangular garden, and are laying it out using string. They would like to know the length of the diagonal to make sure right angles are formed. Find the length of a diagonal. Round your answer to the nearest hundredth. 

22.20m

500

Simplify by first converting the decimal to a fraction.

-2/3+0.9

7/30

500

(-8.1)(9.4)-(1.8)^2

-79.38

500

Ashley needs to create a rectangular garden plot covering 115 square meters. If the width of the plot is 6.8 meters, find the length of the plot. Round your answer to the nearest tenth of a meter.

16.9m

500

What is the square root of (5^2+12^2)

13

500

A 10-foot ladder leans against the wall of a house. How close to the wall must the bottom of the ladder be in order to reach a window 8 feet above the ground?

6 ft