Rounding to the nearest ten and hundred · sheet 7 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 373 to the nearest ten | 370 | 380 rounding at the wrong place |
| 2 | Round 383 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 3 | Round 499 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 4 | Round 312 to the nearest ten | 310 | no pattern to catch here |
| 5 | Round 859 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 6 | Round 535 to the nearest ten | 540 | 530 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 75 to the nearest ten | 80 | 70 cutting the number off instead of rounding |
| 8 | Round 565 to the nearest ten | 570 | 560 cutting the number off instead of rounding |
| 9 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 10 | Round 139 to the nearest ten | 140 | 130 cutting the number off instead of rounding or rounding at the wrong place |
| 11 | Round 850 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 12 | Round 508 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 13 | Round 708 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 14 | Round 150 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 652 to the nearest ten | 650 | 660 rounding at the wrong place |
| 16 | Round 742 to the nearest ten | 740 | no pattern to catch here |
| 17 | Round 232 to the nearest hundred | 200 | no pattern to catch here |
| 18 | Round 632 to the nearest ten | 630 | no pattern to catch here |
| 19 | Round 678 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 20 | Round 287 to the nearest ten | 290 | 280 cutting the number off instead of rounding |
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.