Let's solve the rounding problems step by step.
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Part 1: Round to the Nearest TEN
To round a number to the nearest ten:
- Look at the
ones digit (the last digit).
- If it is
5 or more, round
up.
- If it is
less than 5, round
down.
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####
Round to the nearest ten:
A) 32 → Ones digit is 2 → less than 5 →
30
B) 60 → Already a multiple of 10 →
60
C) 44 → Ones digit is 4 → less than 5 →
40
D) 27 → Ones digit is 7 → 5 or more →
30
E) 40 → Already a multiple of 10 →
40
F) 93 → Ones digit is 3 → less than 5 →
90
G) 24 → Ones digit is 4 → less than 5 →
20
H) 39 → Ones digit is 9 → 5 or more →
40
I) 83 → Ones digit is 3 → less than 5 →
80
J) 35 → Ones digit is 5 → 5 or more →
40
K) 87 → Ones digit is 7 → 5 or more →
90
L) 57 → Ones digit is 7 → 5 or more →
60
M) 16 → Ones digit is 6 → 5 or more →
20
N) 45 → Ones digit is 5 → 5 or more →
50
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✔ Answers for Part 1:
- A) 30
- B) 60
- C) 40
- D) 30
- E) 40
- F) 90
- G) 20
- H) 40
- I) 80
- J) 40
- K) 90
- L) 60
- M) 20
- N) 50
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Part 2: Round to the Nearest HUNDRED
To round a number to the nearest hundred:
- Look at the
tens digit (the second digit from the right).
- If it is
5 or more, round
up.
- If it is
less than 5, round
down.
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####
Round to the nearest hundred:
A) 178 → Tens digit is 7 → 5 or more →
200
B) 608 → Tens digit is 0 → less than 5 →
600
C) 474 → Tens digit is 7 → 5 or more →
500
D) 267 → Tens digit is 6 → 5 or more →
300
E) 391 → Tens digit is 9 → 5 or more →
400
F) 214 → Tens digit is 1 → less than 5 →
200
G) 391 → Same as E →
400
H) 843 → Tens digit is 4 → less than 5 →
800
I) 887 → Tens digit is 8 → 5 or more →
900
J) 357 → Tens digit is 5 → 5 or more →
400
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✔ Answers for Part 2:
- A) 200
- B) 600
- C) 500
- D) 300
- E) 400
- F) 200
- G) 400
- H) 800
- I) 900
- J) 400
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✔ Final Answer Summary:
####
Round to the Nearest Ten:
- A) 30
- B) 60
- C) 40
- D) 30
- E) 40
- F) 90
- G) 20
- H) 40
- I) 80
- J) 40
- K) 90
- L) 60
- M) 20
- N) 50
####
Round to the Nearest Hundred:
- A) 200
- B) 600
- C) 500
- D) 300
- E) 400
- F) 200
- G) 400
- H) 800
- I) 900
- J) 400
Let me know if you'd like this explained with number lines or visual aids!
Parent Tip: Review the logic above to help your child master the concept of rounding to the nearest tens and hundreds worksheet.