IMO Practice Test: Scaled Graphs | Class 3 Maths

Question 1 of 6 hard

Bar graph scale=5. Mon bar=4.5 lines, Tue=6, Wed=3.5 lines. What is the total?

60

65

70

75

Explanation: Mon=4.5x5=22.5. Tue=6x5=30. Wed=3.5x5=17.5. Total=22.5+30+17.5=70.

Question 2 of 6 hard

Line plot: 2 X at 1/4, 4 X at 1/2, 1 X at 3/4. Total data points = ?

3

5

7

9

Explanation: 2+4+1 = 7 total data points.

Question 3 of 6 hard

Each symbol = 8 children. Soccer shows 2.5 symbols. How many children like soccer?

10

16

20

25

Explanation: 2.5 x 8 = 20 children.

Question 4 of 6 hard

Scale=4. Highest bar=6.5 lines. Lowest bar=2 lines. Difference = ?

14

16

18

20

Explanation: Highest = 6.5 x 4 = 26. Lowest = 2 x 4 = 8. Difference = 26 - 8 = 18.

Question 5 of 6 hard

Line plot values: {1, 1/4, 1/2, 1, 1/4}. How many values are greater than 1/2?

1

2

3

4

Explanation: Values > 1/2: both 1s count (1 > 1/2). That is 2 values.

Question 6 of 6 hard

Scale = 10. A bar reaches 3.8 lines. What value does this represent?

13.8

28

38

380

Explanation: 3.8 x 10 = 38.

IMO Practice Test — Scaled Graphs