Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Number and Operations in Base Ten
Understand place value.
North Carolina DOE
Last updated:
2015-06-23 09:57:13
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Related standards
- This standard is part of: Math.Content.1.NBT.B
- This standard is derived from: CCSS.Math.Content.1.NBT.B.2
More specific sub-standards
Finer grained standards that are part of this one
10 can be thought of as a bundle of ten ones - called a “ten.”
North Carolina DOE
Last updated:
2015-06-23 09:57:13
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
North Carolina DOE
Last updated:
2015-06-23 09:57:13
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
North Carolina DOE
Last updated:
2015-06-23 09:57:13
Similar standards elsewhere
Standards derived from the same national standard
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Wyoming DOE
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2018-10-18 07:37:22
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2017-11-07 16:19:10
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North Dakota DOE
Last updated:
2015-04-29 09:51:55