Hundreds, tens and ones · sheet 12 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 2 hundreds, 0 tens, 6 ones | 206 | 8 a digit's value is its face value |
| 2 | 7 hundreds, 0 tens, 1 one | 701 | 8 a digit's value is its face value |
| 3 | 1 hundred, 0 tens, 4 ones | 104 | 5 a digit's value is its face value |
| 4 | 6 hundreds, 1 ten, 3 ones | 613 | 10 a digit's value is its face value |
| 5 | 7 hundreds, 8 tens, 0 ones | 780 | 15 a digit's value is its face value |
| 6 | 5 hundreds, 7 tens, 0 ones | 570 | 12 a digit's value is its face value |
| 7 | 9 hundreds, 2 tens, 5 ones | 925 | 16 a digit's value is its face value |
| 8 | 2 hundreds, 8 tens, 0 ones | 280 | 10 a digit's value is its face value |
| 9 | 4 hundreds, 6 tens, 1 one | 461 | 11 a digit's value is its face value |
| 10 | 2 hundreds, 15 tens, 8 ones | 358 | 2158 the unit never changes when you regroup |
| 11 | 9 hundreds, 2 tens, 4 ones | 924 | 15 a digit's value is its face value |
| 12 | 5 hundreds, 8 tens, 3 ones | 583 | 16 a digit's value is its face value |
| 13 | 1 hundred, 0 tens, 8 ones | 108 | 9 a digit's value is its face value |
| 14 | 3 hundreds, 13 tens, 6 ones | 436 | 3136 the unit never changes when you regroup |
| 15 | 1 hundred, 12 tens, 1 one | 221 | 1121 the unit never changes when you regroup |
| 16 | 3 hundreds, 6 tens, 0 ones | 360 | 9 a digit's value is its face value |
| 17 | 3 hundreds, 9 tens, 8 ones | 398 | 20 a digit's value is its face value |
| 18 | 8 hundreds, 10 tens, 5 ones | 905 | 8105 the unit never changes when you regroup |
| 19 | 4 hundreds, 14 tens, 0 ones | 540 | 4140 the unit never changes when you regroup |
| 20 | 6 hundreds, 13 tens, 5 ones | 735 | 6135 the unit never changes when you regroup |
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.