Rounding to the nearest ten and hundred · sheet 14 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 222 to the nearest ten | 220 | no pattern to catch here |
| 2 | Round 346 to the nearest hundred | 300 | no pattern to catch here |
| 3 | Round 362 to the nearest ten | 360 | 370 rounding at the wrong place |
| 4 | Round 216 to the nearest hundred | 200 | no pattern to catch here |
| 5 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 6 | Round 615 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 7 | Round 403 to the nearest ten | 400 | no pattern to catch here |
| 8 | Round 728 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 9 | Round 181 to the nearest ten | 180 | 190 rounding at the wrong place |
| 10 | Round 750 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 11 | Round 524 to the nearest ten | 520 | no pattern to catch here |
| 12 | Round 774 to the nearest ten | 770 | 780 rounding at the wrong place |
| 13 | Round 355 to the nearest ten | 360 | 350 cutting the number off instead of rounding |
| 14 | Round 835 to the nearest ten | 840 | 830 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 870 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 16 | Round 345 to the nearest ten | 350 | 340 cutting the number off instead of rounding or rounding at the wrong place |
| 17 | Round 850 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 18 | Round 430 to the nearest hundred | 400 | no pattern to catch here |
| 19 | Round 835 to the nearest hundred | 800 | 900 rounding at the wrong place |
| 20 | Round 243 to the nearest ten | 240 | 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.