PARCC Fractions and Square Roots Practice Questions 2

Question 1

What is 3/4 + 5/6?

Accepted Answer

1 7/12

Answer

LCD of 4 and 6 is 12. 3/4 = 9/12; 5/6 = 10/12. Sum: 19/12 = 1 7/12.

Question 2

Simplify: √144

Accepted Answer

12

Answer

√144 = 12 because 12 × 12 = 144.

Question 3

What is 2/3 × 9/10?

Accepted Answer

3/5

Answer

Multiply numerators and denominators: (2×9)/(3×10) = 18/30. Simplify: 18/30 = 3/5.

Question 4

Between which two consecutive integers does √50 lie?

Accepted Answer

7 and 8

Answer

7² = 49 and 8² = 64. Since 49 < 50 < 64, we have 7 < √50 < 8.

Question 5

What is 5/8 ÷ 1/4?

Accepted Answer

2 1/2

Answer

Dividing by a fraction means multiplying by its reciprocal: 5/8 × 4/1 = 20/8 = 5/2 = 2 1/2.

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