Hundreds, tens and ones

Grade 2 · Level 3 · Sheet 1

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the answers

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1.
7 hundreds, 2 tens and 1 ones make what number?
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2.
4 hundreds, 6 tens and 5 ones make what number?
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3.
6 hundreds, 2 tens and 8 ones make what number?
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4.
1 hundreds, 4 tens and 8 ones make what number?
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5.
5 hundreds, 4 tens and 6 ones make what number?
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6.
3 hundreds, 7 tens and 7 ones make what number?
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7.
1 hundreds, 4 tens and 3 ones make what number?
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8.
5 hundreds, 1 tens and 2 ones make what number?
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9.
3 hundreds, 1 tens and 8 ones make what number?
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10.
7 hundreds, 8 tens and 9 ones make what number?
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11.
9 hundreds, 3 tens and 9 ones make what number?
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12.
7 hundreds, 1 tens and 6 ones make what number?
?

Show the answer key

1.721
2.465
3.628
4.148
5.546
6.377
7.143
8.512
9.318
10.789
11.939
12.716

The mistakes behind most wrong answers

A wrong answer in hundreds, tens and ones is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.

9 hundreds, 3 tens and 3 ones make what number?
?
The answer is 933. A child who answers 339 probably mixed up two similar numbers.
4 hundreds, 9 tens and 8 ones make what number?
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The answer is 498. A child who answers 21 probably lost track of the ten.
How many hundreds are in 933?
933
The answer is 9. A child who answers 933 probably started counting from the wrong number.
4 hundreds, 2 tens and 4 ones make what number?
?
The answer is 424. A child who answers 425 probably counted one too many or too few.

In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.

Answer key · Hundreds, tens and ones · Level 3 · Sheet 1

The mistakes behind most wrong answers