Third graders tackle word problems and tricky edge cases. Part A asks them to round 519 to the nearest hundred, estimate the total treats when a baker makes 73 muffins and 48 cookies, spot which number does NOT round to 700, and round 385 to the nearest ten. Part B's fill-ins cover 263, 814, the half-hundred 350, and estimation problems like 36 + 57 and 72 - 45.
Pairing real-world scenarios with edge cases like 350 builds the kind of flexible number sense that powers all later math.
Style:
Rounding to Nearest 10 and 100
Part A: Multiple Choice
Circle the best answer for each question.
1. What is 519 rounded to the nearest hundred?
A) 500
B) 510
C) 520
D) 600
2. A baker makes 73 muffins and 48 cookies. About how many treats total when rounded to the nearest ten?
A) 110
B) 120
C) 130
D) 140
3. Which of these numbers does NOT round to 700 when rounded to the nearest hundred?
A) 651
B) 738
C) 749
D) 643
4. Rounding 385 to the nearest ten gives you what number?
A) 380
B) 390
C) 400
D) 300
Part B: Fill in the Blank
Write the correct answer on each line.
1. 263 rounded to the nearest hundred is 300.
2. 36 + 57 is about 100 when each number is rounded to the nearest ten.
3. 814 rounded to the nearest ten is 810.
4. When rounding 350 to the nearest hundred, the answer is 400.
5. 72 - 45 is about 20 when each number is rounded to the nearest ten.
Rounding to Nearest 10 and 100
★ Part A: Multiple Choice
Circle the best answer for each question.
1. What is 519 rounded to the nearest hundred?
A) 500
B) 510
C) 520
D) 600
2. A baker makes 73 muffins and 48 cookies. About how many treats total when rounded to the nearest ten?
A) 110
B) 120
C) 130
D) 140
3. Which of these numbers does NOT round to 700 when rounded to the nearest hundred?
A) 651
B) 738
C) 749
D) 643
4. Rounding 385 to the nearest ten gives you what number?
A) 380
B) 390
C) 400
D) 300
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) 263 rounded to the nearest hundred is 300.
2) 36 + 57 is about 100 when each number is rounded to the nearest ten.
3) 814 rounded to the nearest ten is 810.
4) When rounding 350 to the nearest hundred, the answer is 400.
5) 72 - 45 is about 20 when each number is rounded to the nearest ten.
Ready to Practice?
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9 Questions
12-18 minutes
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