Rounding to the nearest ten and hundred · sheet 12 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 473 to the nearest ten | 470 | 480 rounding at the wrong place |
| 3 | Round 955 to the nearest ten | 960 | 950 cutting the number off instead of rounding |
| 4 | Round 836 to the nearest hundred | 800 | 900 rounding at the wrong place |
| 5 | Round 251 to the nearest ten | 250 | 260 rounding at the wrong place |
| 6 | Round 325 to the nearest ten | 330 | 320 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 145 to the nearest ten | 150 | 140 cutting the number off instead of rounding or rounding at the wrong place |
| 8 | Round 706 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 9 | Round 826 to the nearest ten | 830 | 820 cutting the number off instead of rounding or rounding at the wrong place |
| 10 | Round 350 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 11 | Round 813 to the nearest ten | 810 | no pattern to catch here |
| 12 | Round 228 to the nearest ten | 230 | 220 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 749 to the nearest ten | 750 | 740 cutting the number off instead of rounding or rounding at the wrong place |
| 14 | Round 343 to the nearest ten | 340 | no pattern to catch here |
| 15 | Round 351 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 630 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 17 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 18 | Round 654 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 19 | Round 559 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 20 | Round 439 to the nearest hundred | 400 | 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.