CAASPP Number Sense 2 — Questions and Answers
Question 1: Which of the following is equivalent to 3/8?
- 0.375 (Correct answer)
- 0.38
- 0.308
- 0.35
Correct answer: 0.375
3 ÷ 8 = 0.375, so 3/8 as a decimal is 0.375.
Question 2: A number line goes from −10 to 10. Which point is closest to −3.7?
- −4 (Correct answer)
- −3
- −3.5
- −4.5
Correct answer: −4
−3.7 is between −4 and −3, and it is closer to −4 (distance 0.3 vs. 0.7).
Question 3: What is the absolute value of −15?
- 15 (Correct answer)
- −15
- 0
- 1/15
Correct answer: 15
Absolute value is the distance from zero, so |−15| = 15.
Question 4: Which list shows the fractions in order from least to greatest? (1/2, 2/3, 3/8)
- 3/8, 1/2, 2/3 (Correct answer)
- 1/2, 3/8, 2/3
- 2/3, 1/2, 3/8
- 3/8, 2/3, 1/2
Correct answer: 3/8, 1/2, 2/3
Converting to decimals: 3/8=0.375, 1/2=0.5, 2/3≈0.667, confirming 3/8 < 1/2 < 2/3.
Question 5: What is 25% of 160?
- 40 (Correct answer)
- 25
- 32
- 50
Correct answer: 40
25% = 1/4, and 160 ÷ 4 = 40.
Question 6: Which expression represents 'six less than twice a number n'?
- 2n − 6 (Correct answer)
- 6 − 2n
- 2(n − 6)
- n/2 − 6
Correct answer: 2n − 6
'Twice a number' is 2n, and 'six less than' means subtract 6, giving 2n − 6.
Question 7: Round 4.867 to the nearest tenth.
- 4.9 (Correct answer)
- 4.8
- 5.0
- 4.87
Correct answer: 4.9
The hundredths digit is 6 (≥5), so the tenths digit rounds up from 8 to 9, giving 4.9.
CAASPP Number Sense 2
Which of the following is equivalent to 3/8?