NAPLAN Fractions, Decimals and Percentages 2 — Questions and Answers
Question 1: Which decimal is the smallest?
- 0.5
- 0.35
- 0.305 (Correct answer)
- 0.53
Correct answer: 0.305
0.305 is the smallest because in the tenths place it has 3, and in the hundredths place it has 0, making it less than 0.35.
Question 2: What is 0.3 + 0.45?
- 0.48
- 0.75 (Correct answer)
- 0.48
- 0.075
Correct answer: 0.75
0.3 + 0.45 = 0.30 + 0.45 = 0.75, aligning the decimal points.
Question 3: Round 3.748 to the nearest tenth.
- 3.7
- 3.8 (Correct answer)
- 4.0
- 3.75
Correct answer: 3.8
3.748 rounded to the nearest tenth is 3.7 because the hundredths digit is 4 (less than 5), so the tenths digit stays as 7.
Question 4: What is 0.5 × 0.4?
- 0.9
- 0.02
- 0.20 (Correct answer)
- 2.0
Correct answer: 0.20
0.5 × 0.4 = 5 × 4 ÷ 100 = 20 ÷ 100 = 0.20.
Question 5: Convert 0.125 to a fraction in its simplest form.
- 1/4
- 1/8 (Correct answer)
- 1/5
- 1/12
Correct answer: 1/8
0.125 = 125/1000, and 125/1000 simplifies to 1/8 by dividing both by 125.
Question 6: What is 1.6 ÷ 4?
- 0.04
- 6.4
- 0.4 (Correct answer)
- 4.0
Correct answer: 0.4
1.6 ÷ 4 = 16 ÷ 40 = 0.4, or think of it as 4 × 0.4 = 1.6.
Question 7: Which of these decimals is between 0.4 and 0.5?
- 0.39
- 0.51
- 0.45 (Correct answer)
- 0.04
Correct answer: 0.45
0.45 is between 0.40 and 0.50, while the others are outside this range.
NAPLAN Fractions, Decimals and Percentages 2
Which decimal is the smallest?