Hundreds, tens and ones · sheet 6 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 8 hundreds, 10 tens, 3 ones | 903 | 8103 the unit never changes when you regroup |
| 2 | 2 hundreds, 2 tens, 7 ones | 227 | 11 a digit's value is its face value |
| 3 | 9 hundreds, 0 tens, 9 ones | 909 | 18 a digit's value is its face value |
| 4 | 8 hundreds, 3 tens, 3 ones | 833 | 14 a digit's value is its face value |
| 5 | 9 hundreds, 1 ten, 4 ones | 914 | 14 a digit's value is its face value |
| 6 | 8 hundreds, 8 tens, 0 ones | 880 | 16 a digit's value is its face value |
| 7 | 4 hundreds, 0 tens, 3 ones | 403 | 7 a digit's value is its face value |
| 8 | 9 hundreds, 8 tens, 5 ones | 985 | 22 a digit's value is its face value |
| 9 | 6 hundreds, 13 tens, 7 ones | 737 | 6137 the unit never changes when you regroup |
| 10 | 2 hundreds, 10 tens, 2 ones | 302 | 2102 the unit never changes when you regroup |
| 11 | 8 hundreds, 0 tens, 9 ones | 809 | 17 a digit's value is its face value |
| 12 | 5 hundreds, 1 ten, 0 ones | 510 | 6 a digit's value is its face value |
| 13 | 4 hundreds, 0 tens, 9 ones | 409 | 13 a digit's value is its face value |
| 14 | 8 hundreds, 14 tens, 4 ones | 944 | 8144 the unit never changes when you regroup |
| 15 | 2 hundreds, 11 tens, 3 ones | 313 | 2113 the unit never changes when you regroup |
| 16 | 3 hundreds, 7 tens, 8 ones | 378 | 18 a digit's value is its face value |
| 17 | 6 hundreds, 6 tens, 0 ones | 660 | 12 a digit's value is its face value |
| 18 | 1 hundred, 2 tens, 5 ones | 125 | 8 a digit's value is its face value |
| 19 | 7 hundreds, 15 tens, 4 ones | 854 | 7154 the unit never changes when you regroup |
| 20 | 1 hundred, 3 tens, 0 ones | 130 | 4 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.