Rounding Numbers worksheet from SplashLearn, featuring exercises to round numbers to the nearest 1,000, 10,000, and 100,000.
Worksheet for rounding numbers to the nearest 1,000, 10,000, and 100,000 with options to select "Round Up" or "Round Down".
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Show Answer Key & Explanations
Step-by-step solution for: Round off Numbers - Math Worksheets - SplashLearn
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Show Answer Key & Explanations
Step-by-step solution for: Round off Numbers - Math Worksheets - SplashLearn
Explanation:
We need to round each number to the nearest 1,000; then to the nearest 10,000; then to the nearest 100,000.
The rule for rounding:
- Look at the digit one place to the right of the place you’re rounding to.
- If that digit is 5 or more, round up.
- If it’s 4 or less, round down.
Let’s go step by step.
---
Part 1: Round to nearest 1,000
To round to the nearest 1,000, look at the hundreds digit (the 3rd digit from the right).
1. 97,444
- Thousands digit = 7 (in 97,000)
- Hundreds digit = 4 → less than 5 → round down
- So: 97,000
- ✔ Round Down
2. 62,401
- Thousands digit = 2 (in 62,000)
- Hundreds digit = 4 → less than 5 → round down
- So: 62,000
- ✔ Round Down
3. 210,794
- Thousands digit = 0 (in 210,000)
- Hundreds digit = 7 → ≥5 → round up
- So: 211,000
- ✔ Round Up
4. 902,568
- Thousands digit = 2 (in 902,000)
- Hundreds digit = 5 → ≥5 → round up
- So: 903,000
- ✔ Round Up
---
Part 2: Round to nearest 10,000
Look at the thousands digit (the 4th digit from the right).
1. 62,235
- Ten-thousands digit = 6 (in 60,000)
- Thousands digit = 2 → <5 → round down
- So: 60,000
- ✔ Round Down
2. 12,789
- Ten-thousands digit = 1 (in 10,000)
- Thousands digit = 2 → <5 → round down
- So: 10,000
- ✔ Round Down
3. 396,182
- Ten-thousands digit = 9 (in 390,000)
- Thousands digit = 6 → ≥5 → round up
- 390,000 + 10,000 = 400,000
- So: 400,000
- ✔ Round Up
4. 712,093
- Ten-thousands digit = 1 (in 710,000)
- Thousands digit = 2 → <5 → round down
- So: 710,000
- ✔ Round Down
---
Part 3: Round to nearest 100,000
Look at the ten-thousands digit (the 5th digit from the right).
1. 551,947
- Hundred-thousands digit = 5 (in 500,000)
- Ten-thousands digit = 5 → ≥5 → round up
- So: 600,000
- ✔ Round Up
2. 201,076
- Hundred-thousands digit = 2 (in 200,000)
- Ten-thousands digit = 0 → <5 → round down
- So: 200,000
- ✔ Round Down
3. 3,751,003
- Hundred-thousands digit = 7 (in 3,700,000)
- Ten-thousands digit = 5 → ≥5 → round up
- 3,700,000 + 100,000 = 3,800,000
- So: 3,800,000
- ✔ Round Up
4. 4,648,328
- Hundred-thousands digit = 6 (in 4,600,000)
- Ten-thousands digit = 4 → <5 → round down
- So: 4,600,000
- ✔ Round Down
Now let’s fill in all answers clearly:
Round to nearest 1,000:
- 97,444 → 97,000 → Round Down
- 62,401 → 62,000 → Round Down
- 210,794 → 211,000 → Round Up
- 902,568 → 903,000 → Round Up
Round to nearest 10,000:
- 62,235 → 60,000 → Round Down
- 12,789 → 10,000 → Round Down
- 396,182 → 400,000 → Round Up
- 712,093 → 710,000 → Round Down
Round to nearest 100,000:
- 551,947 → 600,000 → Round Up
- 201,076 → 200,000 → Round Down
- 3,751,003 → 3,800,000 → Round Up
- 4,648,328 → 4,600,000 → Round Down
Let me double-check a few tricky ones:
- 902,568 → hundreds digit = 5 → round up → 903,000 ✔️
- 396,182 → ten-thousands digit = 9, thousands = 6 → round up to 400,000 ✔️
- 3,751,003: digits are 3 (millions), 7 (hundred-thousands), 5 (ten-thousands) → since ten-thousands = 5, round up hundred-thousands from 7→8 → 3,800,000 ✔️
- 4,648,328: hundred-thousands = 6, ten-thousands = 4 → round down → 4,600,000 ✔️
All correct.
Final Answer:
97,000 — Round Down
62,000 — Round Down
211,000 — Round Up
903,000 — Round Up
60,000 — Round Down
10,000 — Round Down
400,000 — Round Up
710,000 — Round Down
600,000 — Round Up
200,000 — Round Down
3,800,000 — Round Up
4,600,000 — Round Down
We need to round each number to the nearest 1,000; then to the nearest 10,000; then to the nearest 100,000.
The rule for rounding:
- Look at the digit one place to the right of the place you’re rounding to.
- If that digit is 5 or more, round up.
- If it’s 4 or less, round down.
Let’s go step by step.
---
Part 1: Round to nearest 1,000
To round to the nearest 1,000, look at the hundreds digit (the 3rd digit from the right).
1. 97,444
- Thousands digit = 7 (in 97,000)
- Hundreds digit = 4 → less than 5 → round down
- So: 97,000
- ✔ Round Down
2. 62,401
- Thousands digit = 2 (in 62,000)
- Hundreds digit = 4 → less than 5 → round down
- So: 62,000
- ✔ Round Down
3. 210,794
- Thousands digit = 0 (in 210,000)
- Hundreds digit = 7 → ≥5 → round up
- So: 211,000
- ✔ Round Up
4. 902,568
- Thousands digit = 2 (in 902,000)
- Hundreds digit = 5 → ≥5 → round up
- So: 903,000
- ✔ Round Up
---
Part 2: Round to nearest 10,000
Look at the thousands digit (the 4th digit from the right).
1. 62,235
- Ten-thousands digit = 6 (in 60,000)
- Thousands digit = 2 → <5 → round down
- So: 60,000
- ✔ Round Down
2. 12,789
- Ten-thousands digit = 1 (in 10,000)
- Thousands digit = 2 → <5 → round down
- So: 10,000
- ✔ Round Down
3. 396,182
- Ten-thousands digit = 9 (in 390,000)
- Thousands digit = 6 → ≥5 → round up
- 390,000 + 10,000 = 400,000
- So: 400,000
- ✔ Round Up
4. 712,093
- Ten-thousands digit = 1 (in 710,000)
- Thousands digit = 2 → <5 → round down
- So: 710,000
- ✔ Round Down
---
Part 3: Round to nearest 100,000
Look at the ten-thousands digit (the 5th digit from the right).
1. 551,947
- Hundred-thousands digit = 5 (in 500,000)
- Ten-thousands digit = 5 → ≥5 → round up
- So: 600,000
- ✔ Round Up
2. 201,076
- Hundred-thousands digit = 2 (in 200,000)
- Ten-thousands digit = 0 → <5 → round down
- So: 200,000
- ✔ Round Down
3. 3,751,003
- Hundred-thousands digit = 7 (in 3,700,000)
- Ten-thousands digit = 5 → ≥5 → round up
- 3,700,000 + 100,000 = 3,800,000
- So: 3,800,000
- ✔ Round Up
4. 4,648,328
- Hundred-thousands digit = 6 (in 4,600,000)
- Ten-thousands digit = 4 → <5 → round down
- So: 4,600,000
- ✔ Round Down
Now let’s fill in all answers clearly:
Round to nearest 1,000:
- 97,444 → 97,000 → Round Down
- 62,401 → 62,000 → Round Down
- 210,794 → 211,000 → Round Up
- 902,568 → 903,000 → Round Up
Round to nearest 10,000:
- 62,235 → 60,000 → Round Down
- 12,789 → 10,000 → Round Down
- 396,182 → 400,000 → Round Up
- 712,093 → 710,000 → Round Down
Round to nearest 100,000:
- 551,947 → 600,000 → Round Up
- 201,076 → 200,000 → Round Down
- 3,751,003 → 3,800,000 → Round Up
- 4,648,328 → 4,600,000 → Round Down
Let me double-check a few tricky ones:
- 902,568 → hundreds digit = 5 → round up → 903,000 ✔️
- 396,182 → ten-thousands digit = 9, thousands = 6 → round up to 400,000 ✔️
- 3,751,003: digits are 3 (millions), 7 (hundred-thousands), 5 (ten-thousands) → since ten-thousands = 5, round up hundred-thousands from 7→8 → 3,800,000 ✔️
- 4,648,328: hundred-thousands = 6, ten-thousands = 4 → round down → 4,600,000 ✔️
All correct.
Final Answer:
97,000 — Round Down
62,000 — Round Down
211,000 — Round Up
903,000 — Round Up
60,000 — Round Down
10,000 — Round Down
400,000 — Round Up
710,000 — Round Down
600,000 — Round Up
200,000 — Round Down
3,800,000 — Round Up
4,600,000 — Round Down
Parent Tip: Review the logic above to help your child master the concept of rounding numbers worksheet grade 5.