Students round two-digit numbers to the nearest ten. Part A asks them to fix three sentences about rounding, including learning when to round up versus down and what happens when the ones digit is exactly 5. Part B has four fill-in-the-blank problems rounding 63, 78, and 24 to the nearest ten. Part C presents three true-or-false statements about which digit to look at and the round-up rule for 5.
This sheet establishes the core tens-rounding rule before introducing hundreds rounding.
Style:
Rounding to Nearest 10 and 100
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
47 rounded to the nearest ten is 40.
Rewrite: 47 rounded to the nearest ten is 50 because 7 is 5 or greater so we round up.
2. Fix the sentence:
82 rounded to the nearest ten is 90.
Rewrite: 82 rounded to the nearest ten is 80 because 2 is less than 5 so we round down.
3. Fix the sentence:
35 rounded to the nearest ten is 30.
Rewrite: 35 rounded to the nearest ten is 40 because when the digit is exactly 5 we round up.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. 63 rounded to the nearest ten is 60.
2. 78 rounded to the nearest ten is 80.
3. 24 rounded to the nearest ten is 20.
4. 95 rounded to the nearest ten is 100.
Part C: True or False?
Read each statement. Circle True or False.
1. When rounding to the nearest ten, you look at the ones digit.
True False
2. 54 rounded to the nearest ten is 60.
True False
3. If the ones digit is 5 or more, you round up to the next ten.
True False
Rounding to Nearest 10 and 100
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
47 rounded to the nearest ten is 40.
Rewrite: 47 rounded to the nearest ten is 50 because 7 is 5 or greater so we round up.
2) Fix the sentence:
82 rounded to the nearest ten is 90.
Rewrite: 82 rounded to the nearest ten is 80 because 2 is less than 5 so we round down.
3) Fix the sentence:
35 rounded to the nearest ten is 30.
Rewrite: 35 rounded to the nearest ten is 40 because when the digit is exactly 5 we round up.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) 63 rounded to the nearest ten is 60.
2) 78 rounded to the nearest ten is 80.
3) 24 rounded to the nearest ten is 20.
4) 95 rounded to the nearest ten is 100.
★ Part C: True or False?
Read each statement. Circle True or False.
1) When rounding to the nearest ten, you look at the ones digit.
True
False
2) 54 rounded to the nearest ten is 60.
True
False
3) If the ones digit is 5 or more, you round up to the next ten.
True
False
Ready to Practice?
Complete each section carefully.
10 Questions
15-20 minutes
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