Let’s go through each problem step by step. We’re rounding to the
nearest ten.
Rule for rounding to the nearest ten:
- Look at the
ones digit (the last digit).
- If it’s
5 or more, round
up.
- If it’s
4 or less, round
down.
---
1) 13 → ones digit is 3 → round down →
10
2) 24 → ones digit is 4 → round down →
20
3) 79 → ones digit is 9 → round up →
80
4) 82 → ones digit is 2 → round down →
80
5) 65 → ones digit is 5 → round up →
70
6) 97 → ones digit is 7 → round up →
100
7) 34 → ones digit is 4 → round down →
30
8) 48 → ones digit is 8 → round up →
50
9) 86 → ones digit is 6 → round up →
90
10) 61 → ones digit is 1 → round down →
60
11) 57 → ones digit is 7 → round up →
60
12) 39 → ones digit is 9 → round up →
40
---
Now the word problems:
13) Joanna made a smoothie with
14 strawberries.
→ Ones digit is 4 → round down →
10
14) Liam worked
76 hours last week.
→ Ones digit is 6 → round up →
80
---
Final Answer:
1) 10
2) 20
3) 80
4) 80
5) 70
6) 100
7) 30
8) 50
9) 90
10) 60
11) 60
12) 40
13) 10
14) 80
Parent Tip: Review the logic above to help your child master the concept of worksheet rounding to the nearest 10.