Rounding to the nearest ten and hundred · sheet 18 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 543 to the nearest hundred | 500 | 600 rounding at the wrong place |
| 2 | Round 873 to the nearest hundred | 900 | 800 cutting the number off instead of rounding |
| 3 | Round 124 to the nearest ten | 120 | no pattern to catch here |
| 4 | Round 110 to the nearest hundred | 100 | no pattern to catch here |
| 5 | Round 286 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 6 | Round 176 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 892 to the nearest ten | 890 | 900 rounding at the wrong place |
| 8 | Round 399 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 9 | Round 434 to the nearest ten | 430 | no pattern to catch here |
| 10 | Round 45 to the nearest ten | 50 | 40 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 150 to the nearest hundred | 200 | 100 cutting the number off instead of rounding or rounding at the wrong place |
| 13 | Round 430 to the nearest hundred | 400 | no pattern to catch here |
| 14 | Round 185 to the nearest ten | 190 | 180 cutting the number off instead of rounding |
| 15 | Round 836 to the nearest ten | 840 | 830 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 17 | Round 228 to the nearest ten | 230 | 220 cutting the number off instead of rounding or rounding at the wrong place |
| 18 | Round 665 to the nearest ten | 670 | 660 cutting the number off instead of rounding |
| 19 | Round 603 to the nearest ten | 600 | no pattern to catch here |
| 20 | Round 893 to the nearest ten | 890 | 900 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.