Rounding to the nearest ten and hundred · sheet 25 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 150 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 2 | Round 484 to the nearest ten | 480 | 490 rounding at the wrong place |
| 3 | Round 888 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 4 | Round 103 to the nearest hundred | 100 | no pattern to catch here |
| 5 | Round 74 to the nearest ten | 70 | 80 rounding at the wrong place |
| 6 | Round 331 to the nearest ten | 330 | no pattern to catch here |
| 7 | Round 518 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 8 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 9 | Round 572 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 10 | Round 756 to the nearest ten | 760 | 750 cutting the number off instead of rounding |
| 11 | Round 632 to the nearest ten | 630 | no pattern to catch here |
| 12 | Round 885 to the nearest ten | 890 | 880 cutting the number off instead of rounding |
| 13 | Round 769 to the nearest ten | 770 | 760 cutting the number off instead of rounding |
| 14 | Round 508 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 15 | Round 975 to the nearest ten | 980 | 970 cutting the number off instead of rounding |
| 16 | Round 447 to the nearest ten | 450 | 440 cutting the number off instead of rounding or rounding at the wrong place |
| 17 | Round 250 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 18 | Round 394 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 19 | Round 475 to the nearest ten | 480 | 470 cutting the number off instead of rounding |
| 20 | Round 306 to the nearest hundred | 300 | no pattern to catch here |
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.