Hundreds, tens and ones · sheet 27 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 5 hundreds, 9 tens, 0 ones | 590 | 14 a digit's value is its face value |
| 2 | 6 hundreds, 14 tens, 3 ones | 743 | 6143 the unit never changes when you regroup |
| 3 | 8 hundreds, 9 tens, 1 one | 891 | 18 a digit's value is its face value |
| 4 | 9 hundreds, 1 ten, 6 ones | 916 | 16 a digit's value is its face value |
| 5 | 8 hundreds, 6 tens, 0 ones | 860 | 14 a digit's value is its face value |
| 6 | 2 hundreds, 11 tens, 2 ones | 312 | 2112 the unit never changes when you regroup |
| 7 | 5 hundreds, 13 tens, 8 ones | 638 | 5138 the unit never changes when you regroup |
| 8 | 3 hundreds, 9 tens, 4 ones | 394 | 16 a digit's value is its face value |
| 9 | 9 hundreds, 2 tens, 0 ones | 920 | 11 a digit's value is its face value |
| 10 | 8 hundreds, 2 tens, 0 ones | 820 | 10 a digit's value is its face value |
| 11 | 1 hundred, 7 tens, 1 one | 171 | 9 a digit's value is its face value |
| 12 | 2 hundreds, 11 tens, 7 ones | 317 | 2117 the unit never changes when you regroup |
| 13 | 7 hundreds, 0 tens, 9 ones | 709 | 16 a digit's value is its face value |
| 14 | 2 hundreds, 0 tens, 1 one | 201 | 3 a digit's value is its face value |
| 15 | 4 hundreds, 7 tens, 1 one | 471 | 12 a digit's value is its face value |
| 16 | 9 hundreds, 0 tens, 2 ones | 902 | 11 a digit's value is its face value |
| 17 | 3 hundreds, 10 tens, 5 ones | 405 | 3105 the unit never changes when you regroup |
| 18 | 3 hundreds, 7 tens, 4 ones | 374 | 14 a digit's value is its face value |
| 19 | 5 hundreds, 0 tens, 2 ones | 502 | 7 a digit's value is its face value |
| 20 | 5 hundreds, 12 tens, 9 ones | 629 | 5129 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.