Hundreds, tens and ones · sheet 16 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 5 hundreds, 11 tens, 2 ones | 612 | 5112 the unit never changes when you regroup |
| 2 | 7 hundreds, 13 tens, 8 ones | 838 | 7138 the unit never changes when you regroup |
| 3 | 9 hundreds, 0 tens, 4 ones | 904 | 13 a digit's value is its face value |
| 4 | 4 hundreds, 12 tens, 1 one | 521 | 4121 the unit never changes when you regroup |
| 5 | 2 hundreds, 0 tens, 9 ones | 209 | 11 a digit's value is its face value |
| 6 | 2 hundreds, 1 ten, 2 ones | 212 | 5 a digit's value is its face value |
| 7 | 2 hundreds, 1 ten, 3 ones | 213 | 6 a digit's value is its face value |
| 8 | 8 hundreds, 0 tens, 9 ones | 809 | 17 a digit's value is its face value |
| 9 | 3 hundreds, 5 tens, 6 ones | 356 | 14 a digit's value is its face value |
| 10 | 8 hundreds, 9 tens, 0 ones | 890 | 17 a digit's value is its face value |
| 11 | 9 hundreds, 6 tens, 3 ones | 963 | 18 a digit's value is its face value |
| 12 | 5 hundreds, 7 tens, 2 ones | 572 | 14 a digit's value is its face value |
| 13 | 4 hundreds, 11 tens, 2 ones | 512 | 4112 the unit never changes when you regroup |
| 14 | 6 hundreds, 3 tens, 0 ones | 630 | 9 a digit's value is its face value |
| 15 | 1 hundred, 6 tens, 1 one | 161 | 8 a digit's value is its face value |
| 16 | 1 hundred, 8 tens, 0 ones | 180 | 9 a digit's value is its face value |
| 17 | 7 hundreds, 13 tens, 9 ones | 839 | 7139 the unit never changes when you regroup |
| 18 | 8 hundreds, 0 tens, 6 ones | 806 | 14 a digit's value is its face value |
| 19 | 6 hundreds, 8 tens, 0 ones | 680 | 14 a digit's value is its face value |
| 20 | 4 hundreds, 14 tens, 1 one | 541 | 4141 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.