Mathematics Standards
Results
Showing 31 - 40 of 109 Standards
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.
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.
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.G.1
Grade:
3
Domain:
Geometry
Cluster:
Reason with shapes and their attributes.
Standard:
Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.
Reason with shapes and their attributes.
Standard:
Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.
Standard Identifier: 3.G.2
Grade:
3
Domain:
Geometry
Cluster:
Reason with shapes and their attributes.
Standard:
Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.
Reason with shapes and their attributes.
Standard:
Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.
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.
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.
Standard Identifier: 3.NBT.2
Grade:
3
Domain:
Number and Operations in Base Ten
Cluster:
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Standard:
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Standard:
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Standard Identifier: 3.NBT.3
Grade:
3
Domain:
Number and Operations in Base Ten
Cluster:
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Standard:
Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
Use place value understanding and properties of operations to perform multi-digit arithmetic.
Standard:
Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
Standard Identifier: 3.NF.1
Grade:
3
Domain:
Number and Operations—Fractions
Cluster:
Develop understanding of fractions as numbers.
Standard:
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Footnote:
Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.
Develop understanding of fractions as numbers.
Standard:
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
Footnote:
Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.
Standard Identifier: 3.NF.2.a
Grade:
3
Domain:
Number and Operations—Fractions
Cluster:
Develop understanding of fractions as numbers.
Standard:
Understand a fraction as a number on the number line; represent fractions on a number line diagram. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
Develop understanding of fractions as numbers.
Standard:
Understand a fraction as a number on the number line; represent fractions on a number line diagram. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
Standard Identifier: 3.NF.2.b
Grade:
3
Domain:
Number and Operations—Fractions
Cluster:
Develop understanding of fractions as numbers.
Standard:
Understand a fraction as a number on the number line; represent fractions on a number line diagram. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.
Develop understanding of fractions as numbers.
Standard:
Understand a fraction as a number on the number line; represent fractions on a number line diagram. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.
Showing 31 - 40 of 109 Standards
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