Operations with Rational Numbers

CovertingFraction/Decimal

100

The fraction which is equivalent to 0.23

What is 23/100?

200

The decimal value equivalent to 7/10.

What is 0.7?

300

The fraction value equivalent to 2.5.

What is 2 and 1/2?

400

Express 0.17 as a fraction.

What is 17/100?

500

Express -1 and 7/10 as a decimal.

What is -1.7?

Adding Rational Numbers

100

-5 + -9

What is -14?

200

-16 + 4 

What is -12?

300

3.15 + 2.25

What is 5.40?

400

0.38 + (-1.2)

What is -0.82?

500

-5/12 + 1/12

What is -1/3?

Subtracting Rational Numbers

100

-99 + 1

What is -98?

200

-7 - (-12)

What is 5?

300

8/11 - 3/11

What is 5/11 ?

400

-0.06 - (-0.86)

What is 0.8 ?

500

-10/24 - (-2/24)

What is -1/3 ?

Multiplying Rational Numbers

100

-4 x 9

What is -36?

200

-6 x -8

What is 48?

300

-3 x 4 x -1

What is 12?

400

-8 x 0

What is 0?

500

-5 x -4 x -2

What is -40?

Dividing Rational Numbers

100

-10 / -2

What is 5?

200

-20 divided by 4?

What is -5?

300

-18 / -6

What is 3?

400

0 divided by 14

What is 0?

500

9 / 0

What is undefined?