Rounding to the nearest ten and hundred · sheet 5 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 615 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 2 | Round 287 to the nearest ten | 290 | 280 cutting the number off instead of rounding |
| 3 | Round 413 to the nearest hundred | 400 | no pattern to catch here |
| 4 | Round 513 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 5 | Round 41 to the nearest ten | 40 | no pattern to catch here |
| 6 | Round 713 to the nearest ten | 710 | no pattern to catch here |
| 7 | Round 195 to the nearest ten | 200 | 190 cutting the number off instead of rounding |
| 8 | Round 729 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 9 | Round 275 to the nearest ten | 280 | 270 cutting the number off instead of rounding |
| 10 | Round 64 to the nearest ten | 60 | 70 rounding at the wrong place |
| 11 | Round 276 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 12 | Round 391 to the nearest ten | 390 | 400 rounding at the wrong place |
| 13 | Round 703 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 14 | Round 104 to the nearest hundred | 100 | no pattern to catch here |
| 15 | Round 350 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 819 to the nearest ten | 820 | 810 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 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 19 | Round 574 to the nearest ten | 570 | 580 rounding at the wrong place |
| 20 | Round 845 to the nearest ten | 850 | 840 cutting the number off instead of rounding or 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.