Rounding to the nearest ten and hundred · sheet 19 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 233 to the nearest ten | 230 | no pattern to catch here |
| 2 | Round 554 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 3 | Round 388 to the nearest ten | 390 | 380 cutting the number off instead of rounding |
| 4 | Round 268 to the nearest ten | 270 | 260 cutting the number off instead of rounding |
| 5 | Round 366 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 6 | Round 755 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 7 | Round 92 to the nearest ten | 90 | 100 rounding at the wrong place |
| 8 | Round 815 to the nearest ten | 820 | 810 cutting the number off instead of rounding or rounding at the wrong place |
| 9 | Round 488 to the nearest ten | 490 | 480 cutting the number off instead of rounding |
| 10 | Round 255 to the nearest ten | 260 | 250 cutting the number off instead of rounding |
| 11 | Round 550 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 12 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 804 to the nearest hundred | 800 | 900 rounding at the wrong place |
| 14 | Round 58 to the nearest ten | 60 | 50 cutting the number off instead of rounding |
| 15 | Round 164 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 635 to the nearest ten | 640 | 630 cutting the number off instead of rounding or rounding at the wrong place |
| 17 | Round 589 to the nearest ten | 590 | 580 cutting the number off instead of rounding |
| 18 | Round 741 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 19 | Round 433 to the nearest hundred | 400 | no pattern to catch here |
| 20 | Round 750 to the nearest hundred | 800 | 700 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.