IMOClass 4 › Chapter Test

Fractions — Chapter Test

00:00
Q1
Which is the odd one out (three are equal to ½)?
2/5 is not equal to ½; the other three are.
Q2
½ = 2/4 = 3/6 = ___ ?
Multiplying ½ top and bottom by 4 gives 4/8.
Q3
Which fraction is the largest?
¾ is the largest of these fractions.
Q4
Continue the equivalent fractions: 1/2, 2/4, 3/6, ___ ?
The next equivalent fraction is 4/8.
Q5
7/4 is a ___ fraction.
The numerator is larger than the denominator, so it is improper.
Q6
Write 9/4 as a mixed fraction.
9 ÷ 4 = 2 remainder 1, so 9/4 = 2¼.
Q7
What is ⅖ of 25?
25 ÷ 5 = 5, and 5 × 2 = 10.
Q8
What is ½ + ¼?
½ = 2/4, so 2/4 + ¼ = ¾.
Q9
What is ⅚ − ⅓?
⅓ = 2/6, so 5/6 − 2/6 = 3/6 = ½.
Q10
Riya eats ½ of a pizza and her brother eats ¼. How much is eaten in all?
½ + ¼ = ¾ of the pizza.
Q11
¾ of the 20 students in a class passed a test. How many passed?
20 ÷ 4 = 5, and 5 × 3 = 15 students.
Q12
A 1 m ribbon (100 cm) has ⅖ used. How many centimetres are used?
⅖ of 100 = (100 ÷ 5) × 2 = 40 cm.
Q13
What is ⅔ of 30 plus ¼ of 20?
⅔ of 30 = 20 and ¼ of 20 = 5, so 20 + 5 = 25.
Q14
Which fraction is greater, ⅗ or ⅔?
As 9/15 and 10/15, ⅔ is greater.
Try again ↻