Rounding to the nearest ten and hundred · sheet 8 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 550 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 2 | Round 139 to the nearest hundred | 100 | no pattern to catch here |
| 3 | Round 927 to the nearest ten | 930 | 920 cutting the number off instead of rounding or rounding at the wrong place |
| 4 | Round 344 to the nearest ten | 340 | no pattern to catch here |
| 5 | Round 624 to the nearest hundred | 600 | 700 rounding at the wrong place |
| 6 | Round 557 to the nearest hundred | 600 | 500 cutting the number off instead of rounding |
| 7 | Round 839 to the nearest ten | 840 | 830 cutting the number off instead of rounding or rounding at the wrong place |
| 8 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 9 | Round 750 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 10 | Round 965 to the nearest ten | 970 | 960 cutting the number off instead of rounding |
| 11 | Round 697 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 12 | Round 153 to the nearest ten | 150 | 160 rounding at the wrong place |
| 13 | Round 466 to the nearest ten | 470 | 460 cutting the number off instead of rounding |
| 14 | Round 675 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 15 | Round 605 to the nearest ten | 610 | 600 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 248 to the nearest hundred | 200 | no pattern to catch here |
| 17 | Round 319 to the nearest ten | 320 | 310 cutting the number off instead of rounding or rounding at the wrong place |
| 18 | Round 65 to the nearest ten | 70 | 60 cutting the number off instead of rounding |
| 19 | Round 888 to the nearest ten | 890 | 880 cutting the number off instead of rounding |
| 20 | Round 878 to the nearest hundred | 900 | 800 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.