Data

Line graphs & frequency

Name: ______________________________Date: ______________Score: ______ / 20

1.
What is a line graph best for showing?
1. Ahow something changes over time
2. Bthe proportions of a whole
3. Cwhich value is the mode
4. Da ratio
2.
A line graph shows temperatures: 9 a.m. 8°C, 11 a.m. 12°C, 1 p.m. 14°C, 3 p.m. 15°C, 5 p.m. 11°C. What was the temperature at 5 p.m.?
°C
3.
A candle is 18 cm tall. After 1 hour it is 14 cm tall. How many centimetres burned in the first hour?
cm
4.
In a frequency diagram there are big gaps between the bars.
True False
5.
A candle is 19 cm tall. One hour later it is 17 cm. How many centimetres burned in that hour?
cm
6.
A candle is 19 cm tall. One hour later it is 14 cm. How many centimetres burned in that hour?
cm
7.
A candle is 22 cm tall. One hour later it is 16 cm. How many centimetres burned in that hour?
cm
8.
A candle is 13 cm tall. One hour later it is 10 cm. How many centimetres burned in that hour?
cm
9.
A candle is 11 cm tall. One hour later it is 5 cm. How many centimetres burned in that hour?
cm
10.
A candle is 11 cm tall. One hour later it is 9 cm. How many centimetres burned in that hour?
cm
11.
A candle is 18 cm tall. One hour later it is 12 cm. How many centimetres burned in that hour?
cm
12.
A candle is 21 cm tall. One hour later it is 19 cm. How many centimetres burned in that hour?
cm
13.
A tally shows 3 groups of 5 and 4 more marks. What is the total?
14.
One bar shows 11 and another shows 5. How many more does the first show?
15.
A survey recorded these counts: 18, 11, 6. How many were counted in total?
16.
A survey recorded these counts: 16, 5, 18. How many were counted in total?
17.
A tally shows 2 groups of 5 and 2 more marks. What is the total?
18.
A survey recorded these counts: 16, 7, 13, 18. How many were counted in total?
19.
A tally shows 5 groups of 5 and 3 more marks. What is the total?
20.
A survey recorded these counts: 18, 11, 14, 18. How many were counted in total?

Answer key

Data — Line graphs & frequency

1.A. how something changes over time
2.11 °C
3.4 cm
4.False
5.2 cm
6.5 cm
7.6 cm
8.3 cm
9.6 cm
10.2 cm
11.6 cm
12.2 cm
13.19
14.6
15.35
16.39
17.12
18.54
19.28
20.61