Hundreds, tens and ones · sheet 13 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 2 hundreds, 0 tens, 8 ones | 208 | 10 a digit's value is its face value |
| 2 | 5 hundreds, 10 tens, 1 one | 601 | 5101 the unit never changes when you regroup |
| 3 | 5 hundreds, 14 tens, 4 ones | 644 | 5144 the unit never changes when you regroup |
| 4 | 4 hundreds, 12 tens, 1 one | 521 | 4121 the unit never changes when you regroup |
| 5 | 6 hundreds, 9 tens, 1 one | 691 | 16 a digit's value is its face value |
| 6 | 8 hundreds, 5 tens, 6 ones | 856 | 19 a digit's value is its face value |
| 7 | 8 hundreds, 7 tens, 0 ones | 870 | 15 a digit's value is its face value |
| 8 | 1 hundred, 8 tens, 8 ones | 188 | 17 a digit's value is its face value |
| 9 | 7 hundreds, 4 tens, 8 ones | 748 | 19 a digit's value is its face value |
| 10 | 8 hundreds, 6 tens, 7 ones | 867 | 21 a digit's value is its face value |
| 11 | 5 hundreds, 2 tens, 0 ones | 520 | 7 a digit's value is its face value |
| 12 | 2 hundreds, 12 tens, 2 ones | 322 | 2122 the unit never changes when you regroup |
| 13 | 8 hundreds, 8 tens, 8 ones | 888 | 24 a digit's value is its face value |
| 14 | 1 hundred, 0 tens, 1 one | 101 | 2 a digit's value is its face value |
| 15 | 5 hundreds, 5 tens, 0 ones | 550 | 10 a digit's value is its face value |
| 16 | 7 hundreds, 0 tens, 2 ones | 702 | 9 a digit's value is its face value |
| 17 | 7 hundreds, 3 tens, 0 ones | 730 | 10 a digit's value is its face value |
| 18 | 1 hundred, 11 tens, 1 one | 211 | 1111 the unit never changes when you regroup |
| 19 | 2 hundreds, 0 tens, 7 ones | 207 | 9 a digit's value is its face value |
| 20 | 2 hundreds, 14 tens, 6 ones | 346 | 2146 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.