Fractions and Square Roots Practice Questions 1 Flashcards
6 cards from real PARCC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fractions and Square Roots Practice Questions 1 flashcards as text
What is 5/6 − 1/4?
Answer: 7/12
The LCD of 6 and 4 is 12. Convert: 5/6 = 10/12 and 1/4 = 3/12. Then 10/12 − 3/12 = 7/12.
Simplify: √196
Answer: 14
14 × 14 = 196, so √196 = 14. You can check by noting 10² = 100 and 15² = 225, placing the answer between them, then testing 14.
What is 3/5 ÷ 2/3?
Answer: 9/10
Dividing by a fraction means multiplying by its reciprocal: 3/5 × 3/2 = 9/10.
Which of the following fractions has the greatest value?
Answer: 7/8
Converting to decimals: 7/8 = 0.875, 5/6 ≈ 0.833, 3/4 = 0.75, 11/16 = 0.6875. The largest is 7/8.
Simplify: √(36/49)
Answer: 6/7
The square root of a fraction equals the square root of the numerator over the square root of the denominator: √36/√49 = 6/7.
What is 1 2/3 + 2 3/4?
Answer: 4 5/12
Convert to improper fractions: 1 2/3 = 5/3 and 2 3/4 = 11/4. The LCD is 12: 20/12 + 33/12 = 53/12 = 4 5/12.