Operations with Rational Numbers Quiz

1. What is the result of adding -3/4 and 1/2?

• -1/2

• 5/4

• -7/8

• 2/3

2. Subtract 2/3 from 5/6.

5/6 - 2/3

• 2/9

• 4/7

• 3/5

• 1/6

3. Add 1/5 and 2/3.

• 9/10

• 13/15

• 3/8

• 5/7

4. Multiply -2/3 by -3/4.

• -5/12

• 6/12

• -1/12

• 1/2

5. Divide 5/6 by 2/3.

5/6 DIVIDED BY 2/3

• 5/6 + 2/3 = 13/18

• 5/6 - 2/3 = 3/6 = 1/2

• 5/6 * 2/3 = 10/18 = 5/9

• 5/6 ÷ 2/3 = 5/6 * 3/2 = 15/12 = 5/4

6. Find the sum of 0.25 and 0.75.

(0.25 + 0.75)

• 1.50

• 0.50

• 0.30

• 1.00

7. Subtract 3.2 from 1.5

(1.5 - 3.2)

• 4.7

• 1.7

• -4.7

• -1.7

8. Add 0.6 and 0.4.

• 0.8

• 1.0

• 0.2

• 1.5

9. Multiply 0.3 by 0.5.

• 0.8

• 1.2

• 0.25

• 0.15

10. Divide -1.2 by 0.4.

• -2.5

• -0.3

• -3

• -0.8