NAPLAN Fractions, Decimals and Percentages 3

Question 1

What is 10% of 350?

Accepted Answer

35

Answer

10% means one-tenth, and 350 ÷ 10 = 35.

Question 2

A shirt costs $60 and is discounted by 15%. What is the sale price?

Accepted Answer

$51

Answer

15% of $60 = $9, so the sale price is $60 - $9 = $51.

Question 3

Which fraction is equivalent to 40%?

Accepted Answer

2/5

Answer

40% = 40/100, which simplifies to 2/5 by dividing both numerator and denominator by 20.

Question 4

Convert 7/20 to a percentage.

Accepted Answer

35%

Answer

7/20 = 35/100 = 35%, by multiplying numerator and denominator by 5.

Question 5

Jake scored 18 out of 25 on a test. What is his percentage score?

Accepted Answer

72%

Answer

18/25 = 72/100 = 72%, by multiplying both numerator and denominator by 4.

NAPLAN Practice Test