Hundreds, tens and ones · sheet 19 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 5 hundreds, 15 tens, 6 ones | 656 | 5156 the unit never changes when you regroup |
| 2 | 6 hundreds, 0 tens, 1 one | 601 | 7 a digit's value is its face value |
| 3 | 3 hundreds, 3 tens, 0 ones | 330 | 6 a digit's value is its face value |
| 4 | 2 hundreds, 5 tens, 5 ones | 255 | 12 a digit's value is its face value |
| 5 | 2 hundreds, 15 tens, 4 ones | 354 | 2154 the unit never changes when you regroup |
| 6 | 5 hundreds, 11 tens, 7 ones | 617 | 5117 the unit never changes when you regroup |
| 7 | 5 hundreds, 4 tens, 9 ones | 549 | 18 a digit's value is its face value |
| 8 | 6 hundreds, 10 tens, 0 ones | 700 | 6100 the unit never changes when you regroup |
| 9 | 4 hundreds, 13 tens, 3 ones | 533 | 4133 the unit never changes when you regroup |
| 10 | 5 hundreds, 0 tens, 8 ones | 508 | 13 a digit's value is its face value |
| 11 | 1 hundred, 2 tens, 0 ones | 120 | 3 a digit's value is its face value |
| 12 | 9 hundreds, 7 tens, 4 ones | 974 | 20 a digit's value is its face value |
| 13 | 7 hundreds, 9 tens, 2 ones | 792 | 18 a digit's value is its face value |
| 14 | 8 hundreds, 4 tens, 0 ones | 840 | 12 a digit's value is its face value |
| 15 | 4 hundreds, 0 tens, 4 ones | 404 | 8 a digit's value is its face value |
| 16 | 5 hundreds, 4 tens, 7 ones | 547 | 16 a digit's value is its face value |
| 17 | 2 hundreds, 3 tens, 6 ones | 236 | 11 a digit's value is its face value |
| 18 | 5 hundreds, 7 tens, 0 ones | 570 | 12 a digit's value is its face value |
| 19 | 8 hundreds, 10 tens, 1 one | 901 | 8101 the unit never changes when you regroup |
| 20 | 3 hundreds, 0 tens, 7 ones | 307 | 10 a digit's value is its face value |
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.