Rounding to the nearest ten and hundred · sheet 17 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 750 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 2 | Round 217 to the nearest ten | 220 | 210 cutting the number off instead of rounding or rounding at the wrong place |
| 3 | Round 513 to the nearest ten | 510 | no pattern to catch here |
| 4 | Round 786 to the nearest ten | 790 | 780 cutting the number off instead of rounding |
| 5 | Round 258 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 6 | Round 764 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 7 | Round 298 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 8 | Round 42 to the nearest ten | 40 | no pattern to catch here |
| 9 | Round 474 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 10 | Round 877 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 11 | Round 55 to the nearest ten | 60 | 50 cutting the number off instead of rounding |
| 12 | Round 983 to the nearest ten | 980 | 990 rounding at the wrong place |
| 13 | Round 205 to the nearest ten | 210 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 14 | Round 319 to the nearest ten | 320 | 310 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 250 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 17 | Round 423 to the nearest hundred | 400 | no pattern to catch here |
| 18 | Round 185 to the nearest ten | 190 | 180 cutting the number off instead of rounding |
| 19 | Round 636 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 20 | Round 361 to the nearest ten | 360 | 370 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.