Add a two-digit number and a multiple of 10.
Operations with Numbers: Base Ten
- Use place value understanding and properties of operations to add and subtract.
Add within 100, using concrete models or drawings and strategies based on place value.
Alabama DOE
Last updated:
2020-01-17 11:09:52
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Related standards
- This standard is part of: NBT.13
- This standard is derived from: CCSS.Math.Content.1.NBT.C.4
Similar standards elsewhere
Standards derived from the same national standard
Including adding a two-digit number and a one-digit number.
Wyoming DOE
Last updated:
2018-10-18 07:41:14
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
North Carolina DOE
Last updated:
2015-06-23 09:57:13
Relate the strategy to a written method and explain the reasoning used.
North Dakota DOE
Last updated:
2017-06-14 14:38:29
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Vermont DOE
Last updated:
2013-06-21 08:28:12