Let's solve each question step by step using the line graph provided.
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Step 1: Understand the Graph
- The
x-axis represents the weeks (from Week 1 to Week 8).
- The
y-axis represents the number of books sold, ranging from 0 to 140 in increments of 20.
- We will read the values for each week from the graph.
---
Read the Values from the Graph
From the graph:
| Week | Books Sold |
|------|------------|
| 1 | 60 |
| 2 | 120 |
| 3 | 120 |
| 4 | 90 |
| 5 | 90 |
| 6 | 60 |
| 7 | 90 |
| 8 | 10 |
> Note: The last point at Week 8 is just above 0 but clearly at 10.
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Now let’s answer each question.
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1) How many books were sold in week 2?
From the table:
Week 2 = 120 books
✔ Answer: 120 books
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2) How many books were sold in week 3 and 4?
- Week 3: 120 books
- Week 4: 90 books
Add them:
120 + 90 =
210 books
✔ Answer: 210 books
---
3) How many books were sold in week 5, 6 and 7?
- Week 5: 90
- Week 6: 60
- Week 7: 90
Sum:
90 + 60 + 90 =
240 books
✔ Answer: 240 books
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4) How many more books were sold in week 7 than 8?
- Week 7: 90
- Week 8: 10
Difference:
90 - 10 =
80 books
✔ Answer: 80 more books
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5) How many books were sold in all 8 weeks?
Add all weekly sales:
60 (W1)
+ 120 (W2)
+ 120 (W3)
+ 90 (W4)
+ 90 (W5)
+ 60 (W6)
+ 90 (W7)
+ 10 (W8)
Now calculate:
60 + 120 = 180
180 + 120 = 300
300 + 90 = 390
390 + 90 = 480
480 + 60 = 540
540 + 90 = 630
630 + 10 =
640
✔ Answer: 640 books
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6) What was the average number of books sold each week?
Average = Total books ÷ Number of weeks
Total = 640
Weeks = 8
Average = 640 ÷ 8 =
80
✔ Answer: 80 books per week
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✔ Final Answers:
1)
120 books
2)
210 books
3)
240 books
4)
80 more books
5)
640 books
6)
80 books per week
Let me know if you'd like this formatted for printing or a student worksheet!
Parent Tip: Review the logic above to help your child master the concept of line graphs worksheet 6th grade.
