Rounding to the nearest ten and hundred · sheet 2 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | Round 219 to the nearest hundred | 200 | no pattern to catch here |
| 2 | Round 795 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 3 | Round 450 to the nearest hundred | 500 | 400 cutting the number off instead of rounding or rounding at the wrong place |
| 4 | Round 541 to the nearest ten | 540 | no pattern to catch here |
| 5 | Round 426 to the nearest ten | 430 | 420 cutting the number off instead of rounding or rounding at the wrong place |
| 6 | Round 445 to the nearest ten | 450 | 440 cutting the number off instead of rounding or rounding at the wrong place |
| 7 | Round 535 to the nearest ten | 540 | 530 cutting the number off instead of rounding or rounding at the wrong place |
| 8 | Round 865 to the nearest ten | 870 | 860 cutting the number off instead of rounding |
| 9 | Round 672 to the nearest ten | 670 | 680 rounding at the wrong place |
| 10 | Round 303 to the nearest hundred | 300 | no pattern to catch here |
| 11 | Round 736 to the nearest hundred | 700 | 800 rounding at the wrong place |
| 12 | Round 750 to the nearest hundred | 800 | 700 cutting the number off instead of rounding |
| 13 | Round 23 to the nearest ten | 20 | no pattern to catch here |
| 14 | Round 251 to the nearest hundred | 300 | 200 cutting the number off instead of rounding or rounding at the wrong place |
| 15 | Round 370 to the nearest hundred | 400 | 300 cutting the number off instead of rounding or rounding at the wrong place |
| 16 | Round 759 to the nearest ten | 760 | 750 cutting the number off instead of rounding |
| 17 | Round 650 to the nearest hundred | 700 | 600 cutting the number off instead of rounding |
| 18 | Round 326 to the nearest ten | 330 | 320 cutting the number off instead of rounding or rounding at the wrong place |
| 19 | Round 494 to the nearest ten | 490 | 500 rounding at the wrong place |
| 20 | Round 811 to the nearest hundred | 800 | 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.