PencilGoGrade 1 · Math · Place value operations
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Grade 1 Math Worksheet - Building Confidence
Write the number.
10 more than 30 is
10 less than 36 is
10 more than 29 is
10 less than 66 is
10 more than 19 is
10 less than 34 is
10 less than 21 is
10 more than 23 is
10 less than 59 is
10 more than 63 is
10 more than 40 is
10 less than 45 is
Ten more or ten less than a number changes only the tens digit: 10 more than 46 is 56, and 10 less than 46 is 36. Children who see that do not have to count by ones, and they are using the structure of the number system, which is the point of this grade 1 skill. On this worksheet each line is a short sentence with a gap, such as 10 more than 46 is ____ or 10 less than 81 is ____, and your child writes the number.
Support sheets stay between 10 and 70, and standard and challenge sheets use the full range from 10 to 100. Say the number, then say the number with one more ten.
Common Core standard: 1.NBT.C.5
10 more than 46 is ____. The tens digit goes up by 1: 4 tens becomes 5 tens. The ones stay at 6. Write 56.
Changing the ones digit, so writing 47 for 10 more than 46.
Only the tens digit changes. The ones digit stays the same.
Changing the ones digit, so writing 47 for 10 more than 46.
Only the tens digit changes. The ones digit stays the same.
Yes. All 6 printable versions on this page are free to download and print, with no account needed.
Similar: Two-Digit Addition · Subtract Tens
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