Rounding to the nearest ten and hundred · sheet 3 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 732 to the nearest ten | 730 | no pattern to catch here |
| 2 | Round 850 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 3 | Round 324 to the nearest hundred | 300 | no pattern to catch here |
| 4 | Round 870 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 5 | Round 144 to the nearest ten | 140 | no pattern to catch here |
| 6 | Round 479 to the nearest ten | 480 | 470 cutting the number off instead of rounding |
| 7 | Round 579 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 8 | Round 278 to the nearest ten | 280 | 270 cutting the number off instead of rounding |
| 9 | Round 328 to the nearest ten | 330 | 320 cutting the number off instead of rounding or rounding at the wrong place |
| 10 | Round 772 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 11 | Round 178 to the nearest ten | 180 | 170 cutting the number off instead of rounding |
| 12 | Round 715 to the nearest ten | 720 | 710 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 395 to the nearest ten | 400 | 390 cutting the number off instead of rounding |
| 14 | Round 350 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 456 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 577 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 17 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 18 | Round 195 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 19 | Round 528 to the nearest ten | 530 | 520 cutting the number off instead of rounding or rounding at the wrong place |
| 20 | Round 125 to the nearest ten | 130 | 120 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.