5th Grade Place Value Worksheets - Free Printable

Let's solve each problem on the "Place Value to 3DP Sheet 5A" worksheet step by step, focusing on understanding place value up to three decimal places (thousandths).

We’ll go through each question and explain how to find the missing number or compute the sum. The goal is to understand how whole numbers and decimals combine based on their place values:

- Units (ones)
- Tenths (0.1)
- Hundredths (0.01)
- Thousandths (0.001)

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Part 1: Addition Problems (Fill in the blank or compute the sum)

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#### 1) 6 + 0.3 + 0.05 + 0.002 = 6.352
✔ Already correct:
6 + 0.3 = 6.3
6.3 + 0.05 = 6.35
6.35 + 0.002 = 6.352

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#### 2) 8 + 0.2 + 0.08 + 0.001 = ________
Add step-by-step:
- 8 + 0.2 = 8.2
- 8.2 + 0.08 = 8.28
- 8.28 + 0.001 = 8.281

✔ Answer: 8.281

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#### 3) 2 + 0.7 + 0.03 + 0.005 = ________
- 2 + 0.7 = 2.7
- 2.7 + 0.03 = 2.73
- 2.73 + 0.005 = 2.735

✔ Answer: 2.735

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#### 4) 4 + 0.3 + 0.01 + 0.008 = ________
- 4 + 0.3 = 4.3
- 4.3 + 0.01 = 4.31
- 4.31 + 0.008 = 4.318

✔ Answer: 4.318

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#### 5) ________ = 9 + 0.5 + 0.09
- 9 + 0.5 = 9.5
- 9.5 + 0.09 = 9.59

✔ Answer: 9.59

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#### 6) 0.3 + 0.02 + 0.008 = ________
- 0.3 + 0.02 = 0.32
- 0.32 + 0.008 = 0.328

✔ Answer: 0.328

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#### 7) ________ = 4 + 0.05 + 0.006
- 4 + 0.05 = 4.05
- 4.05 + 0.006 = 4.056

✔ Answer: 4.056

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#### 8) 6 + 0.7 + 0.001 = ________
- 6 + 0.7 = 6.7
- 6.7 + 0.001 = 6.701

✔ Answer: 6.701

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#### 9) 0.3 + 0.008 = ________
- 0.3 + 0.008 = 0.308

✔ Answer: 0.308

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#### 10) 5 + 0.3 + 0.06 + 0.003 = ________
- 5 + 0.3 = 5.3
- 5.3 + 0.06 = 5.36
- 5.36 + 0.003 = 5.363

✔ Answer: 5.363

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#### 11) ________ = 6 + 0.4 + 0.002
- 6 + 0.4 = 6.4
- 6.4 + 0.002 = 6.402

✔ Answer: 6.402

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#### 12) 0.08 + 0.005 = ________
- 0.08 + 0.005 = 0.085

✔ Answer: 0.085

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#### 13) 12 + 0.7 + 0.004 = ________
- 12 + 0.7 = 12.7
- 12.7 + 0.004 = 12.704

✔ Answer: 12.704

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#### 14) 15 + 0.36 = ________
- 15 + 0.36 = 15.36

✔ Answer: 15.36

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#### 15) ________ = 30 + 2 + 0.304
- 30 + 2 = 32
- 32 + 0.304 = 32.304

✔ Answer: 32.304

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#### 16) 80 + 0.2 + 0.06 + 0.007 = ________
- 80 + 0.2 = 80.2
- 80.2 + 0.06 = 80.26
- 80.26 + 0.007 = 80.267

✔ Answer: 80.267

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#### 17) 1 + 0.084 = ________
- 1 + 0.084 = 1.084

✔ Answer: 1.084

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#### 18) 25 + 0.3 + 0.06 + 0.001 = ________
- 25 + 0.3 = 25.3
- 25.3 + 0.06 = 25.36
- 25.36 + 0.001 = 25.361

✔ Answer: 25.361

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#### 19) ________ = 7 + 0.05 + 0.002
- 7 + 0.05 = 7.05
- 7.05 + 0.002 = 7.052

✔ Answer: 7.052

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#### 20) 9 + 0.006 = ________
- 9 + 0.006 = 9.006

✔ Answer: 9.006

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Part 2: Missing Addend Problems (Find the missing part)

Now we work backward — given a total, and some parts, find the missing one.

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#### 21) 6 + 0.4 + _____ + 0.003 = 6.423
First, add known parts:
- 6 + 0.4 = 6.4
- 6.4 + 0.003 = 6.403

Now subtract from total:
- 6.423 - 6.403 = 0.02

✔ Answer: 0.02

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#### 22) 2 + _____ + 0.05 + 0.007 = 2.657
Add known:
- 2 + 0.05 = 2.05
- 2.05 + 0.007 = 2.057

Subtract from total:
- 2.657 - 2.057 = 0.6

✔ Answer: 0.6

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#### 23) 7.284 = 7 + 0.2 + 0.08 + _____
Add known:
- 7 + 0.2 = 7.2
- 7.2 + 0.08 = 7.28

Now:
- 7.284 - 7.28 = 0.004

✔ Answer: 0.004

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#### 24) _____ + 0.3 + 0.05 + 0.001 = 9.351
Add known:
- 0.3 + 0.05 = 0.35
- 0.35 + 0.001 = 0.351

Now:
- 9.351 - 0.351 = 9

✔ Answer: 9

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#### 25) 7.28 = 7 + _____
- 7.28 - 7 = 0.28

✔ Answer: 0.28

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#### 26) 1 + _____ = 1.325
- 1.325 - 1 = 0.325

✔ Answer: 0.325

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#### 27) 8.39 = 8 + _____ + 0.09
- 8 + 0.09 = 8.09
- 8.39 - 8.09 = 0.30

✔ Answer: 0.30

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#### 28) 4 + _____ + 0.002 = 4.032
- 4 + 0.002 = 4.002
- 4.032 - 4.002 = 0.03

✔ Answer: 0.03

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#### 29) 9.036 = 9 + _____
- 9.036 - 9 = 0.036

✔ Answer: 0.036

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#### 30) 3 + _____ + 0.002 = 3.702
- 3 + 0.002 = 3.002
- 3.702 - 3.002 = 0.7

✔ Answer: 0.7

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#### 31) 7.32 = 7 + 0.3 + _____
- 7 + 0.3 = 7.3
- 7.32 - 7.3 = 0.02

✔ Answer: 0.02

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#### 32) 6 + 0.1 + _____ = 6.104
- 6 + 0.1 = 6.1
- 6.104 - 6.1 = 0.004

✔ Answer: 0.004

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#### 33) 5.237 = 5 + _____
- 5.237 - 5 = 0.237

✔ Answer: 0.237

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#### 34) 4.129 = 4 + 0.1 + _____ + 0.009
Add known:
- 4 + 0.1 = 4.1
- 4.1 + 0.009 = 4.109

Now:
- 4.129 - 4.109 = 0.02

✔ Answer: 0.02

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#### 35) _____ + 0.062 = 7.362
- 7.362 - 0.062 = 7.3

✔ Answer: 7.3

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#### 36) _____ + 0.005 = 0.325
- 0.325 - 0.005 = 0.32

✔ Answer: 0.32

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#### 37) 0.716 = _____ + 0.006
- 0.716 - 0.006 = 0.71

✔ Answer: 0.71

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#### 38) 1.83 = _____ + 1
- 1.83 - 1 = 0.83

✔ Answer: 0.83

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#### 39) 2.536 = 2.5 + _____
- 2.536 - 2.5 = 0.036

✔ Answer: 0.036

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#### 40) 9.7 + _____ = 9.728
- 9.728 - 9.7 = 0.028

✔ Answer: 0.028

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✔ Final Answers Summary:

| Question | Answer |
|--------|--------|
| 1 | 6.352 |
| 2 | 8.281 |
| 3 | 2.735 |
| 4 | 4.318 |
| 5 | 9.59 |
| 6 | 0.328 |
| 7 | 4.056 |
| 8 | 6.701 |
| 9 | 0.308 |
|10 | 5.363 |
|11 | 6.402 |
|12 | 0.085 |
|13 | 12.704 |
|14 | 15.36 |
|15 | 32.304 |
|16 | 80.267 |
|17 | 1.084 |
|18 | 25.361 |
|19 | 7.052 |
|20 | 9.006 |
|21 | 0.02 |
|22 | 0.6 |
|23 | 0.004 |
|24 | 9 |
|25 | 0.28 |
|26 | 0.325 |
|27 | 0.30 |
|28 | 0.03 |
|29 | 0.036 |
|30 | 0.7 |
|31 | 0.02 |
|32 | 0.004 |
|33 | 0.237 |
|34 | 0.02 |
|35 | 7.3 |
|36 | 0.32 |
|37 | 0.71 |
|38 | 0.83 |
|39 | 0.036 |
|40 | 0.028 |

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🔍 Key Concept Recap:

This worksheet reinforces place value for decimals up to three decimal places (thousandths). You must:
- Understand that tenths are 0.1, hundredths are 0.01, and thousandths are 0.001.
- When adding decimals, align by decimal point.
- When solving for missing addends, subtract known values from the total.

Let me know if you'd like this as a printable answer key!