Rounding Multi-Digit Numbers: Grade 4 Math Test Answer Key – PDF Download

Grade 4 Rounding Test Answer Key: questions 1–5

Question 1: Nearest ten (2 points)

1. The tens digit is 6 and the digit to its right is 8, so round up: 570.
2. The tens digit is 9 and the digit to its right is 5, so round up. The 9 carries: 3,000.

Scoring: 1 point for each correct answer.

Question 2: Nearest hundred (2 points)

1. The hundreds digit is 4 and the digit to its right is 4, so round down: 7,400.
2. The hundreds digit is 6 and the digit to its right is 5, so round up: 18,700.

Scoring: 1 point for each correct answer.

Question 3: Nearest thousand (2 points)

1. The thousands digit is 2 and the digit to its right is 4, so round down: 52,000.
2. The thousands digit is 6 and the digit to its right is 5, so round up: 347,000.

Scoring: 1 point for each correct answer.

Question 4: Larger places (2 points)

1. The ten thousands digit is 8 and the digit to its right is 4, so round down: 80,000.
2. The hundred thousands digit is 4 and the digit to its right is 6, so round up: 500,000.

Scoring: 1 point for each correct answer.

Question 5: Town populations (2 points)

1. The thousands digit is 4 and the digit to its right is 8, so round up: 5,000.
2. The thousands digit is 2 and the digit to its right is 3, so round down: 12,000.

Scoring: 1 point for each correct answer.

Grade 4 Rounding Test Answer Key: questions 6–9

Question 6: Which round to 600 (2 points)

Rounded to the nearest hundred: 549 is 500, 550 is 600, 610 is 600, 649 is 600, and 650 is 700.

550, 610, and 649

Scoring: 2 points for exactly the three correct numbers. 1 point if two correct numbers are circled and no wrong number is circled, or if all three are circled with one extra.

Question 7: Point on a number line (3 points)

1. The hundreds digit is 4, so round down: 3,000.
2. The tens digit is 6, so round up: 3,500.
3. The ones digit is 7, so round up: 3,470.

Scoring: 1 point for each correct answer.

Question 8: Find the error (3 points)

1. No. The correct answer is 7,000.
2. The digit to the right of the hundreds place is 5, so he should round up. The 9 becomes 10 and carries to the thousands place. Ethan rounded down instead.
3. The halfway mark between 6,000 and 7,000 is 6,500, and it rounds up. The least number is 6,500.

Scoring: 1 point for no and 7,000. 1 point for stating that 5 rounds up. 1 point for 6,500.

Question 9: Concert attendance (2 points)

1. The thousands digit is 8 and the digit to its right is 4, so round down: 18,000.
2. The hundreds digit is 4 and the digit to its right is 6, so round up: 18,500.

Scoring: 1 point for each correct answer.

Scoring summary

How to use this grade 4 rounding test answer key

Use this grade 4 rounding test answer key to score the test fairly and to see which skills need more practice.

Printable PDF · Test Answer Key

Grade 4 Rounding Multi-Digit Numbers test answer key

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