Line graph/chart worksheets based on the Singapore math curriculum ... - Free Printable

Let’s go step by step to solve each question using the line graph and table.

First, look at the graph. The red line shows average temperature for each month from January to June. We need to read the temperature values from the graph for each month and fill them in the table.

Looking at the graph:

- January: The point is halfway between 0°C and 10°C → that’s 5°C
- February: Same as January → 5°C
- March: Still on the same level → 5°C
- April: Goes up to 10°C → 10°C
- May: Goes up to 20°C → 20°C
- June: Goes up to 25°C → 25°C

So the completed table is:

| Month | Jan | Feb | Mar | Apr | May | Jun |
|-------|-----|-----|-----|-----|-----|-----|
| Temp (°C) | 5 | 5 | 5 | 10 | 20 | 25 |

Now let’s answer each question one by one.

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Question 1: Complete the data table — we just did that above.

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Question 2: In which month was the average temperature 10 degrees Celsius?

Look at the table or graph — April has 10°C.

→ Answer: April

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Question 3: In which 2 months was the average temperature the same?

January, February, and March all have 5°C. But the question asks for “which 2 months” — so any two of those three are correct. Since it says “the same”, and they’re all equal, we can pick the first two: January and February.

But actually, looking again — the graph shows Jan, Feb, Mar all flat at 5°C. So technically, there are three months with the same temp. But since the question says “which 2 months”, maybe they expect you to name any pair. Let’s check the wording: “In which 2 months...” — probably expects two specific ones. Since Jan and Feb are consecutive and both 5°C, that’s safe.

Wait — but March is also 5°C. Maybe the question allows multiple answers? But since it says “2 months”, perhaps they want us to list two. To be precise, let’s say:

→ Answer: January and February (or January and March, or February and March — all are correct)

But to match what’s most obvious from the graph — the first two months where it’s flat — I’ll go with January and February.

Actually, rechecking — the graph shows Jan, Feb, Mar all at 5°C. So if the question says “in which 2 months”, it might be expecting you to notice that more than two are the same, but still pick two. I think it’s fine to say January and February.

Alternatively, maybe the question meant “which months” plural, but wrote “2 months”. Hmm. Looking back at original: “In which 2 months was the average temperature the same?”

It’s a bit ambiguous, but since three months are the same, any two are acceptable. I’ll write:

→ Answer: January and February

(We could also say February and March — but let’s stick with the first two.)

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Question 4: In which months was the average temperature higher than 20 degrees?

Look at the temperatures:

- Jan: 5 → no
- Feb: 5 → no
- Mar: 5 → no
- Apr: 10 → no
- May: 20 → not *higher* than 20 → no
- Jun: 25 → yes!

Only June is higher than 20°C.

Wait — is 20 considered “higher than 20”? No — “higher than 20” means greater than 20, so 20 itself doesn’t count.

So only June: 25 > 20 → yes.

→ Answer: June

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Question 5: How much did the average temperature increase between January and April?

January: 5°C
April: 10°C

Increase = April - January = 10 - 5 = 5°C

→ Answer: 5 degrees Celsius

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Question 6: Between which 2 months was the increase of average temperature the biggest?

We need to calculate the change between each consecutive month:

- Jan to Feb: 5 → 5 → change = 0
- Feb to Mar: 5 → 5 → change = 0
- Mar to Apr: 5 → 10 → change = +5
- Apr to May: 10 → 20 → change = +10
- May to Jun: 20 → 25 → change = +5

The biggest increase is from April to May: +10°C

→ Answer: April and May

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Now let’s summarize all answers clearly.

Final Answer:
1) Table: Jan=5, Feb=5, Mar=5, Apr=10, May=20, Jun=25
2) April
3) January and February (or any two of Jan/Feb/Mar)
4) June
5) 5 degrees Celsius
6) April and May