Rounding to the nearest ten and hundred · sheet 4 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 106 to the nearest hundred | 100 | no pattern to catch here |
| 2 | Round 350 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 3 | Round 250 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 4 | Round 322 to the nearest hundred | 300 | no pattern to catch here |
| 5 | Round 185 to the nearest ten | 190 | 180 cutting the number off instead of rounding |
| 6 | Round 368 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 319 to the nearest ten | 320 | 310 cutting the number off instead of rounding or rounding at the wrong place |
| 8 | Round 435 to the nearest ten | 440 | 430 cutting the number off instead of rounding or rounding at the wrong place |
| 9 | Round 985 to the nearest ten | 990 | 980 cutting the number off instead of rounding |
| 10 | Round 463 to the nearest ten | 460 | 470 rounding at the wrong place |
| 11 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 12 | Round 215 to the nearest hundred | 200 | no pattern to catch here |
| 13 | Round 511 to the nearest ten | 510 | no pattern to catch here |
| 14 | Round 694 to the nearest ten | 690 | 700 rounding at the wrong place |
| 15 | Round 357 to the nearest ten | 360 | 350 cutting the number off instead of rounding |
| 16 | Round 321 to the nearest hundred | 300 | no pattern to catch here |
| 17 | Round 327 to the nearest ten | 330 | 320 cutting the number off instead of rounding or rounding at the wrong place |
| 18 | Round 332 to the nearest hundred | 300 | no pattern to catch here |
| 19 | Round 873 to the nearest ten | 870 | 880 rounding at the wrong place |
| 20 | Round 174 to the nearest hundred | 200 | 100 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.