Let's solve each problem step by step using place value concepts. We'll use the
place value chart to help understand how numbers relate to each other in terms of multiplication and division by powers of 10.
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Place Value Chart (for reference):
| Millions | Hundred-Thousands | Ten-Thousands | Thousands | Hundreds | Tens | Ones |
|----------|-------------------|---------------|-----------|----------|------|------|
| | | | | | | |
We’ll now go through each question:
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1. 10 times 30 thousands is ____________
- 30 thousands = 30,000
- 10 × 30,000 = 300,000
- 300,000 =
300 thousands or
3 hundred-thousands
✔ Answer: 300,000
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2. 100 times 7 ones is ____________
- 7 ones = 7
- 100 × 7 = 700
- 700 =
7 hundreds
✔ Answer: 700
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3. 1000 times 4 hundreds is ____________
- 4 hundreds = 400
- 1000 × 400 = 400,000
- 400,000 =
400 thousands or
4 hundred-thousands
✔ Answer: 400,000
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4. _________ times 9 thousands is 9 millions
- 9 thousands = 9,000
- 9 millions = 9,000,000
- Let’s find what number × 9,000 = 9,000,000
Divide:
> 9,000,000 ÷ 9,000 = 1,000
So,
1,000 times 9 thousands is 9 millions
✔ Answer: 1,000
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5. _________ times 20 thousands is 200 thousands
- 20 thousands = 20,000
- 200 thousands = 200,000
- 200,000 ÷ 20,000 = 10
So,
10 times 20 thousands is 200 thousands
✔ Answer: 10
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6. 90 thousands divided by 100 is ____________
- 90 thousands = 90,000
- 90,000 ÷ 100 = 900
- 900 =
9 hundreds
✔ Answer: 900
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7. 5 millions divided by 10 is ____________
- 5 millions = 5,000,000
- 5,000,000 ÷ 10 = 500,000
- 500,000 =
500 thousands or
5 hundred-thousands
✔ Answer: 500,000
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8. 800 thousands divided by _________ is 8 hundreds
- 800 thousands = 800,000
- 8 hundreds = 800
- So: 800,000 ÷ ? = 800
- Solve: ? = 800,000 ÷ 800 = 1,000
✔ Answer: 1,000
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9. 3 hundreds divided by 10 is ____________
- 3 hundreds = 300
- 300 ÷ 10 = 30
- 30 =
3 tens
✔ Answer: 30
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10. 7 thousands divided by 1,000 is ____________
- 7 thousands = 7,000
- 7,000 ÷ 1,000 = 7
- 7 =
7 ones
✔ Answer: 7
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✔ Final Answers:
1.
300,000
2.
700
3.
400,000
4.
1,000
5.
10
6.
900
7.
500,000
8.
1,000
9.
30
10.
7
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These problems reinforce understanding of
place value and how multiplying/dividing by powers of 10 shifts digits in a number. Each time you multiply by 10, you move one place to the left; dividing by 10 moves one place to the right.
Parent Tip: Review the logic above to help your child master the concept of place value worksheet grade 5.
