Hundreds, tens and ones · sheet 5 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 5 hundreds, 7 tens, 3 ones | 573 | 15 a digit's value is its face value |
| 2 | 4 hundreds, 3 tens, 3 ones | 433 | 10 a digit's value is its face value |
| 3 | 7 hundreds, 14 tens, 2 ones | 842 | 7142 the unit never changes when you regroup |
| 4 | 1 hundred, 7 tens, 0 ones | 170 | 8 a digit's value is its face value |
| 5 | 2 hundreds, 2 tens, 0 ones | 220 | 4 a digit's value is its face value |
| 6 | 6 hundreds, 15 tens, 0 ones | 750 | 6150 the unit never changes when you regroup |
| 7 | 8 hundreds, 1 ten, 9 ones | 819 | 18 a digit's value is its face value |
| 8 | 1 hundred, 11 tens, 5 ones | 215 | 1115 the unit never changes when you regroup |
| 9 | 2 hundreds, 9 tens, 3 ones | 293 | 14 a digit's value is its face value |
| 10 | 4 hundreds, 0 tens, 7 ones | 407 | 11 a digit's value is its face value |
| 11 | 5 hundreds, 0 tens, 1 one | 501 | 6 a digit's value is its face value |
| 12 | 4 hundreds, 8 tens, 8 ones | 488 | 20 a digit's value is its face value |
| 13 | 5 hundreds, 11 tens, 7 ones | 617 | 5117 the unit never changes when you regroup |
| 14 | 7 hundreds, 0 tens, 7 ones | 707 | 14 a digit's value is its face value |
| 15 | 3 hundreds, 1 ten, 0 ones | 310 | 4 a digit's value is its face value |
| 16 | 7 hundreds, 12 tens, 5 ones | 825 | 7125 the unit never changes when you regroup |
| 17 | 6 hundreds, 13 tens, 5 ones | 735 | 6135 the unit never changes when you regroup |
| 18 | 1 hundred, 1 ten, 1 one | 111 | 3 a digit's value is its face value |
| 19 | 4 hundreds, 6 tens, 0 ones | 460 | 10 a digit's value is its face value |
| 20 | 7 hundreds, 0 tens, 5 ones | 705 | 12 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.