Rounding to the nearest ten and hundred · sheet 15 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 749 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 2 | Round 476 to the nearest ten | 480 | 470 cutting the number off instead of rounding |
| 3 | Round 755 to the nearest ten | 760 | 750 cutting the number off instead of rounding |
| 4 | Round 951 to the nearest ten | 950 | 960 rounding at the wrong place |
| 5 | Round 478 to the nearest ten | 480 | 470 cutting the number off instead of rounding |
| 6 | Round 350 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 587 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 8 | Round 210 to the nearest hundred | 200 | no pattern to catch here |
| 9 | Round 705 to the nearest ten | 710 | 700 cutting the number off instead of rounding or rounding at the wrong place |
| 10 | Round 789 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 11 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 12 | Round 518 to the nearest ten | 520 | 510 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 547 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 14 | Round 605 to the nearest ten | 610 | 600 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 407 to the nearest ten | 410 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 353 to the nearest ten | 350 | 360 rounding at the wrong place |
| 17 | Round 604 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 18 | Round 267 to the nearest ten | 270 | 260 cutting the number off instead of rounding |
| 19 | Round 550 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 20 | Round 246 to the nearest hundred | 200 | 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.