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Mathematics Standards




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Showing 21 - 30 of 115 Standards

Standard Identifier: 2.NBT.2

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Understand place value.

Standard:
Count within 1000; skip-count by 2s, 5s, 10s, and 100s. CA

Standard Identifier: 2.NBT.3

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Understand place value.

Standard:
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

Standard Identifier: 2.NBT.4

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Understand place value.

Standard:
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

Standard Identifier: 2.NBT.5

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Standard Identifier: 2.NBT.6

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Add up to four two-digit numbers using strategies based on place value and properties of operations.

Standard Identifier: 2.NBT.7

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Add and subtract within 1000, 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. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

Standard Identifier: 2.NBT.7.1

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Use estimation strategies to make reasonable estimates in problem solving. CA

Standard Identifier: 2.NBT.8

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

Standard Identifier: 2.NBT.9

Grade: 2
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to add and subtract.

Standard:
Explain why addition and subtraction strategies work, using place value and the properties of operations.

Footnote:
Explanations may be supported by drawings or objects.

Standard Identifier: 3.NBT.1

Grade: 3
Domain: Number and Operations in Base Ten

Cluster:
Use place value understanding and properties of operations to perform multi-digit arithmetic.

Standard:
Use place value understanding to round whole numbers to the nearest 10 or 100.

Footnote:
A range of algorithms may be used.

Showing 21 - 30 of 115 Standards


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