IMO Practice Test: Long Division | Class 5 Mathematics

Question 1 of 6 hard

What is the largest remainder possible when dividing by 6?

4

5

6

7

Explanation: A remainder must be less than the divisor, so the largest is 5.

Question 2 of 6 medium

315 books are shared equally among 5 shelves. Each shelf holds…

61

63

65

53

Explanation: 315 ÷ 5 = 63.

Question 3 of 6 hard

A number divided by 18 gives 12 with no remainder. The number is…

206

216

226

200

Explanation: 18 × 12 = 216.

Question 4 of 6 hard

625 ÷ 25 = ?

24

25

26

23

Explanation: 25 × 25 = 625.

Question 5 of 6 hard

A factory makes 1,000 toys in 8 days (equal each day). How many per day, and the remainder?

125, r 0

120, r 40

125, r 5

100, r 200

Explanation: 1000 ÷ 8 = 125 exactly, remainder 0.

Question 6 of 6 hard

504 ÷ 9 = ?

54

56

58

52

Explanation: 9 × 56 = 504.

IMO Practice Test — Long Division