Hundreds, tens and ones · sheet 24 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 8 hundreds, 13 tens, 4 ones | 934 | 8134 the unit never changes when you regroup |
| 2 | 6 hundreds, 4 tens, 3 ones | 643 | 13 a digit's value is its face value |
| 3 | 1 hundred, 14 tens, 2 ones | 242 | 1142 the unit never changes when you regroup |
| 4 | 1 hundred, 0 tens, 6 ones | 106 | 7 a digit's value is its face value |
| 5 | 5 hundreds, 5 tens, 3 ones | 553 | 13 a digit's value is its face value |
| 6 | 6 hundreds, 1 ten, 5 ones | 615 | 12 a digit's value is its face value |
| 7 | 8 hundreds, 1 ten, 0 ones | 810 | 9 a digit's value is its face value |
| 8 | 7 hundreds, 10 tens, 2 ones | 802 | 7102 the unit never changes when you regroup |
| 9 | 6 hundreds, 10 tens, 7 ones | 707 | 6107 the unit never changes when you regroup |
| 10 | 5 hundreds, 6 tens, 0 ones | 560 | 11 a digit's value is its face value |
| 11 | 3 hundreds, 4 tens, 0 ones | 340 | 7 a digit's value is its face value |
| 12 | 9 hundreds, 0 tens, 3 ones | 903 | 12 a digit's value is its face value |
| 13 | 2 hundreds, 0 tens, 9 ones | 209 | 11 a digit's value is its face value |
| 14 | 2 hundreds, 2 tens, 3 ones | 223 | 7 a digit's value is its face value |
| 15 | 8 hundreds, 3 tens, 1 one | 831 | 12 a digit's value is its face value |
| 16 | 1 hundred, 12 tens, 1 one | 221 | 1121 the unit never changes when you regroup |
| 17 | 7 hundreds, 0 tens, 3 ones | 703 | 10 a digit's value is its face value |
| 18 | 2 hundreds, 9 tens, 1 one | 291 | 12 a digit's value is its face value |
| 19 | 6 hundreds, 9 tens, 0 ones | 690 | 15 a digit's value is its face value |
| 20 | 4 hundreds, 10 tens, 6 ones | 506 | 4106 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.