Hundreds, tens and ones · sheet 11 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 5 hundreds, 15 tens, 5 ones | 655 | 5155 the unit never changes when you regroup |
| 2 | 1 hundred, 8 tens, 0 ones | 180 | 9 a digit's value is its face value |
| 3 | 8 hundreds, 14 tens, 6 ones | 946 | 8146 the unit never changes when you regroup |
| 4 | 2 hundreds, 3 tens, 0 ones | 230 | 5 a digit's value is its face value |
| 5 | 2 hundreds, 0 tens, 6 ones | 206 | 8 a digit's value is its face value |
| 6 | 5 hundreds, 10 tens, 3 ones | 603 | 5103 the unit never changes when you regroup |
| 7 | 2 hundreds, 0 tens, 5 ones | 205 | 7 a digit's value is its face value |
| 8 | 9 hundreds, 4 tens, 8 ones | 948 | 21 a digit's value is its face value |
| 9 | 6 hundreds, 1 ten, 6 ones | 616 | 13 a digit's value is its face value |
| 10 | 1 hundred, 0 tens, 5 ones | 105 | 6 a digit's value is its face value |
| 11 | 8 hundreds, 5 tens, 0 ones | 850 | 13 a digit's value is its face value |
| 12 | 7 hundreds, 4 tens, 4 ones | 744 | 15 a digit's value is its face value |
| 13 | 8 hundreds, 0 tens, 8 ones | 808 | 16 a digit's value is its face value |
| 14 | 8 hundreds, 11 tens, 7 ones | 917 | 8117 the unit never changes when you regroup |
| 15 | 9 hundreds, 2 tens, 3 ones | 923 | 14 a digit's value is its face value |
| 16 | 7 hundreds, 3 tens, 2 ones | 732 | 12 a digit's value is its face value |
| 17 | 1 hundred, 14 tens, 0 ones | 240 | 1140 the unit never changes when you regroup |
| 18 | 6 hundreds, 4 tens, 0 ones | 640 | 10 a digit's value is its face value |
| 19 | 2 hundreds, 11 tens, 7 ones | 317 | 2117 the unit never changes when you regroup |
| 20 | 8 hundreds, 3 tens, 4 ones | 834 | 15 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.