Year 5 Decimals Topic Test — Answers
Answer sheet with worked solutions for the Year 5 decimals topic test.
Year 5 · Mathematics · Decimals
Year 5 Decimals Topic Test — Answers
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Part A — Decimal Place Value
1.In 64.41, what is the value of the digit 4?[1 mark]
Answer: 4 tenths (0.4)
2.In 34.17, what is the value of the digit 1?[1 mark]
Answer: 1 tenths (0.1)
3.In 74.44, what is the value of the digit 4?[1 mark]
Answer: 4 hundredths (0.04)
4.In 78.55, what is the value of the digit 5?[1 mark]
Answer: 5 hundredths (0.05)
5.9.55 3.1 (write <, > or =)[1 mark]
Answer: >
Line up the decimal points and compare digit by digit from the left.
6.8.18 0.46 (write <, > or =)[1 mark]
Answer: >
Line up the decimal points and compare digit by digit from the left.
7.2.45 1.95 (write <, > or =)[1 mark]
Answer: >
Line up the decimal points and compare digit by digit from the left.
8.6.91 2.56 (write <, > or =)[1 mark]
Answer: >
Line up the decimal points and compare digit by digit from the left.
Part B — Adding and Subtracting Decimals
9.
17.45
+6.17
Answer: 23.62
- Line up the decimal points
- 17.45 + 6.17 = 23.62
10.
37.50
−4.97
Answer: 32.53
- Line up the decimal points
- 37.50 − 4.97 = 32.53
11.
16.23
−12.57
Answer: 3.66
- Line up the decimal points
- 16.23 − 12.57 = 3.66
12.
2.82
+7.85
Answer: 10.67
- Line up the decimal points
- 2.82 + 7.85 = 10.67
13.
57.10
+31.39
Answer: 88.49
- Line up the decimal points
- 57.10 + 31.39 = 88.49
14.
43.41
+3.47
Answer: 46.88
- Line up the decimal points
- 43.41 + 3.47 = 46.88
15.
36.36
+10.16
Answer: 46.52
- Line up the decimal points
- 36.36 + 10.16 = 46.52
16.
23.99
+36.32
Answer: 60.31
- Line up the decimal points
- 23.99 + 36.32 = 60.31
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
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