Word problems and multi-step thinking take center stage. Part A's multiple choice asks third graders to round 638 to the nearest hundred, estimate the total when a class collects 56 cans Monday and 37 Tuesday, pick which option rounds to 400, and find the best estimate for 84 - 39. Part B's fill-ins push further with 482, 673, the half-hundred 750, and estimation problems like 29 + 53 and 81 - 34.
These problems show kids that rounding is a real tool for checking whether an answer makes sense.
Style:
Rounding to Nearest 10 and 100
Part A: Multiple Choice
Circle the best answer for each question.
1. What is 638 rounded to the nearest hundred?
A) 600
B) 630
C) 640
D) 700
2. A class collects 56 cans on Monday and 37 cans on Tuesday. About how many cans total when rounded to the nearest ten?
A) 80
B) 90
C) 100
D) 110
3. Which number rounds to 400 when rounded to the nearest hundred?
A) 339
B) 348
C) 351
D) 449
4. What is the best estimate for 84 - 39 when both numbers are rounded to the nearest ten?
A) 40
B) 50
C) 60
D) 70
Part B: Fill in the Blank
Write the correct answer on each line.
1. 482 rounded to the nearest hundred is 500.
2. 29 + 53 is about 80 when each number is rounded to the nearest ten.
3. 673 rounded to the nearest ten is 670.
4. When rounding 750 to the nearest hundred, the answer is 800.
5. 81 - 34 is about 50 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 638 rounded to the nearest hundred?
A) 600
B) 630
C) 640
D) 700
2. A class collects 56 cans on Monday and 37 cans on Tuesday. About how many cans total when rounded to the nearest ten?
A) 80
B) 90
C) 100
D) 110
3. Which number rounds to 400 when rounded to the nearest hundred?
A) 339
B) 348
C) 351
D) 449
4. What is the best estimate for 84 - 39 when both numbers are rounded to the nearest ten?
A) 40
B) 50
C) 60
D) 70
★ Part B: Fill in the Blank
Write the correct answer on each line.
1) 482 rounded to the nearest hundred is 500.
2) 29 + 53 is about 80 when each number is rounded to the nearest ten.
3) 673 rounded to the nearest ten is 670.
4) When rounding 750 to the nearest hundred, the answer is 800.
5) 81 - 34 is about 50 when each number is rounded to the nearest ten.
Ready to Practice?
Complete each section carefully.
9 Questions
12-18 minutes
Auto-graded
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