Rounding to the nearest ten and hundred · sheet 30 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 373 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 2 | Round 15 to the nearest ten | 20 | 10 cutting the number off instead of rounding or rounding at the wrong place |
| 3 | Round 150 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 4 | Round 472 to the nearest ten | 470 | 480 rounding at the wrong place |
| 5 | Round 441 to the nearest ten | 440 | no pattern to catch here |
| 6 | Round 250 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 831 to the nearest ten | 830 | no pattern to catch here |
| 8 | Round 775 to the nearest ten | 780 | 770 cutting the number off instead of rounding |
| 9 | Round 679 to the nearest ten | 680 | 670 cutting the number off instead of rounding |
| 10 | Round 966 to the nearest ten | 970 | 960 cutting the number off instead of rounding |
| 11 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 12 | Round 627 to the nearest ten | 630 | 620 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 448 to the nearest ten | 450 | 440 cutting the number off instead of rounding or rounding at the wrong place |
| 14 | Round 470 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 739 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 16 | Round 580 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 17 | Round 419 to the nearest hundred | 400 | no pattern to catch here |
| 18 | Round 125 to the nearest hundred | 100 | no pattern to catch here |
| 19 | Round 813 to the nearest hundred | 800 | 900 rounding at the wrong place |
| 20 | Round 225 to the nearest ten | 230 | 220 cutting the number off instead of rounding or rounding at the wrong place |
Reading the wrong answers
One wrong answer is a slip. The same pattern on three or more problems is a rule your child is following, and it has a name and a fix. Problems marked "no pattern to catch" are the plain ones; a child who gets only those right is telling you something too.