Data and probability · Ages 12–13
Compound bar charts worksheet
Part of: Organising data & statistical charts
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Compound bar charts worksheet
Data and probability · Ages 12–13
Numsprite
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Name:Date:Score:／48
Write each answer in the space. For word problems, show your working and write a sentence answer.
Part A: Working out and filling in (2 marks each)
1.The compound bar chart shows a club's new members in four months (male and female). How many new female members joined in the four months?
Answer:
2.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. How many did Shop A sell in August?
Answer:
3.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. By how many boxes did their sales differ in June?
Answer:
4.The compound bar chart shows a club's new members in four months (male and female). In how many of the months did more women than men join?
Answer:
5.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. From July to October, Shop A's sales rose by boxes and Shop B's by ; the one that rose more rose by boxes more than the other.
Fill in each blank
Answer:
6.The compound bar chart shows how many local and overseas visitors joined guided tours in four months. In June, what percentage of that month's visitors were from overseas?
Answer:
7.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in the four months from June. In how many of the months did the two shops sell more than 160 boxes between them?
Answer:
8.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. From May to August, Shop A's sales rose by boxes and Shop B's by ; the one that rose more rose by boxes more than the other.
Fill in each blank
Answer:
9.The compound bar chart shows how many local and overseas visitors joined guided tours in four months. In January, what percentage of that month's visitors were from overseas?
Answer:
Part B: Choose, or true or false (2 marks each)
10.The compound bar chart shows a restaurant's bookings in four months, last year and this year. In which month were this year's bookings the most?
- A. May
- B. March
- C. April
- D. February
Choose the right answer
Answer:
11.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. Over the four months, Shop A sold more than Shop B.
True or false?
Answer:
12.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in four months. In which month was the gap between them greatest?
- A. March
- B. April
- C. February
- D. January
Choose the right answer
Answer:
Part C: Word problems (4 marks each)
13.The compound bar chart shows a restaurant's bookings in four months, last year and this year. By what percentage did September's bookings rise from last year to this?
Working:
Answer:
14.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in the four months from April. Over the four months Shop A sold boxes and Shop B .
Fill in each blank
Working:
Answer:
15.The compound bar chart shows new members at Ka-yee's club in four months (male and female). In January there were new men and new women, more women than men.
Fill in each blank
Working:
Answer:
16.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in the four months from July. By how many boxes did their four-month totals differ?
Working:
Answer:
17.The compound bar chart shows a restaurant's bookings in four months, last year and this year. In which month did bookings rise most from last year to this?
- A. September
- B. November
- C. December
- D. October
Choose the right answer
Working:
Answer:
18.The compound bar chart shows how many boxes of ice cream Shop A and Shop B sold in the four months from June. In the month the two sold most between them, how many boxes did they sell together?
Working:
Answer:
Show the answers and working
Compound bar charts worksheet: Answers and working
Part A: Working out and filling in
1. 160
Female is the second bar; add the four months from January: 30 + 40 + 20 + 70 = 160.
2. 160
The key shows Shop A as the first bar. In August its top is level with 160.
3. 60
In June: Shop A 80, Shop B 20, a difference of 60.
4. 3
Compare the two bars month by month from May: the female bar (the second) is taller in 3 months.
5. 140, 20, 120
Use the key to tell the shops apart. Shop A: 160 − 20 = 140; Shop B: 100 − 80 = 20. They differ by 120 boxes. It's the rise that's compared, not which bar is taller in October.
6. 60%
In June: local 40, overseas 60, 100 in all. 60 ÷ 100 × 100% = 60%.
7. 3
Add the two bars month by month: 180, 180, 220, 100. More than 160 (exactly 160 doesn't count) in 3 months.
8. 20, 10, 10
Use the key to tell the shops apart. Shop A: 40 − 20 = 20; Shop B: 70 − 60 = 10. They differ by 10 boxes. It's the rise that's compared, not which bar is taller in August.
9. 50%
In January: local 50, overseas 50, 100 in all. 50 ÷ 100 × 100% = 50%.
Part B: Choose, or true or false
10. C. April
Compare only this year's bars (the key's second): the month of the tallest is the answer.
11. True
Over the four months from April, Shop A: 80 + 20 + 30 + 60 = 190; Shop B: 20 + 20 + 30 + 50 = 120.
12. C. February
Work out each month's gap; the greatest is 200 boxes. Not the tallest bar, but the two bars furthest apart.
Part C: Word problems
Marking: 2 for the working, 1 for the answer, 1 for the sentence.
13. 100%
A rise of 80 − 40 = 40. The percentage is of last year's: 40 ÷ 40 × 100% = 100%.
14. 340, 220
Shop A (the first bar): 80 + 100 + 20 + 140 = 340; Shop B (the second): 100 + 60 + 20 + 40 = 220.
15. 100, 160, 60
By the key, male is the first bar and female the second. In January: men 100, women 160, 160 − 100 = 60.
16. 40
Shop A: 80 + 60 + 140 + 60 = 340; Shop B: 20 + 120 + 140 + 100 = 380; a difference of 40.
17. B. November
Work out this year − last year for each month; the greatest rise is 200. The tallest bar this year isn't enough.
18. 650
Add the two bars each month: 350, 650, 550, 400; the most is 650.
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