IMOClass 5 › Chapter Test

Fractions — Chapter Test

00:00
Q1
Which is the odd one out (three are equal to ½)?
3/5 is not equal to ½; the other three are.
Q2
What is ½ × ½?
(1 × 1)/(2 × 2) = ¼.
Q3
Which fraction is the largest?
As 40/60, 45/60, 48/60, 30/60, the largest is ⅘.
Q4
What is 1 ÷ ½?
There are 2 halves in 1, so 1 ÷ ½ = 2.
Q5
What is 1½ + 2¼?
1 2/4 + 2 1/4 = 3 3/4 = 3¾.
Q6
What is 3½ − 1¾?
3 2/4 − 1 3/4 = 1 3/4 = 1¾.
Q7
What is ⅖ × ⅗?
(2 × 3)/(5 × 5) = 6/25.
Q8
What is ¾ × 8?
(3 × 8)/4 = 24/4 = 6.
Q9
What is ¾ ÷ 3?
3/(4 × 3) = 3/12 = ¼.
Q10
What is 4 ÷ ½?
There are 2 halves in each whole, so 4 ÷ ½ = 8.
Q11
A 6 m ribbon is cut into ½ m pieces. How many pieces are there?
6 ÷ ½ = 12 pieces.
Q12
⅔ of the 30 students in a class wear glasses. How many is that?
⅔ × 30 = 20 students.
Q13
What is ½ × ⅔ × ¾?
½ × ⅔ = ⅓, and ⅓ × ¾ = 3/12 = ¼.
Q14
A recipe needs ¾ cup of sugar. How much sugar is needed for 4 batches?
¾ × 4 = 3 cups.
Try again ↻