Let’s go through each problem one by one. We’re rounding to the
nearest thousandth, which means we want
three digits after the decimal point.
To round:
- Look at the
fourth digit after the decimal.
- If it’s
5 or more, round up the third digit.
- If it’s
less than 5, leave the third digit as is.
---
1)
37.5816
→ Third digit: 1, fourth digit: 6 → 6 ≥ 5 → round up →
37.582
2)
1.06755
→ Third digit: 7, fourth digit: 5 → 5 ≥ 5 → round up →
1.068
3)
22.64735
→ Third digit: 7, fourth digit: 3 → 3 < 5 → keep →
22.647
4)
7.1424
→ Third digit: 2, fourth digit: 4 → 4 < 5 → keep →
7.142
5)
5.8109
→ Third digit: 0, fourth digit: 9 → 9 ≥ 5 → round up →
5.811
6)
43.21867
→ Third digit: 8, fourth digit: 6 → 6 ≥ 5 → round up →
43.219
7)
9.37826
→ Third digit: 8, fourth digit: 2 → 2 < 5 → keep →
9.378
8)
85.0041
→ Third digit: 4, fourth digit: 1 → 1 < 5 → keep →
85.004
9)
10.2597
→ Third digit: 9, fourth digit: 7 → 7 ≥ 5 → round up → 9 becomes 10 → carry over →
10.260
10)
2.75483
→ Third digit: 4, fourth digit: 8 → 8 ≥ 5 → round up →
2.755
11)
79.19601
→ Third digit: 6, fourth digit: 0 → 0 < 5 → keep →
79.196
12)
6.6532
→ Third digit: 3, fourth digit: 2 → 2 < 5 → keep →
6.653
13) Simon needs help with
8.6028
→ Third digit: 2, fourth digit: 8 → 8 ≥ 5 → round up →
8.603
14) Area of circle:
47.75025
→ Third digit: 0, fourth digit: 2 → 2 < 5 → keep →
47.750
---
Final Answer:
1) 37.582
2) 1.068
3) 22.647
4) 7.142
5) 5.811
6) 43.219
7) 9.378
8) 85.004
9) 10.260
10) 2.755
11) 79.196
12) 6.653
13) 8.603
14) 47.750
Parent Tip: Review the logic above to help your child master the concept of round to the nearest thousand worksheet.