Math.3.MD.5a 3.MD.C.5.A Math.3.MD.5b 3.MD.C.5.B Math.3.MD.6 3.MD.C.6 MA.3.GR.2.1 MA.3.GR.2.2 MA.3.GR.2.3 Math.3.MD.7a 3.MD.C.7.A Math.3.MD.7b 3.MD.C.7.B MA.3.GR.2.4 CC.2.3.3.A.2 Math.3.MD.7c 3.MD.C.7.C Math.3.MD.7d 3.MD.C.7.D M03.C-G.1.1.3 Math.3.G.2 3.G.A.2 CC.2.4.3.A.5 M03.D-M.3.1.1 M03.D-M.3.1.2

Common Core Standards Area
Grade:	3rd Grade
Standard:	Math.3.MD.5a or 3.MD.C.5.A
Description:	A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area.
Standard:	Math.3.MD.5b or 3.MD.C.5.B
Description:	A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
Standard:	Math.3.MD.6 or 3.MD.C.6
Description:	Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).
Standard:	MA.3.GR.2.1
Description:	Explore area as an attribute of a two-dimensional figure by covering the figure with unit squares without gaps or overlaps. Find areas of rectangles by counting unit squares.
Standard:	MA.3.GR.2.2
Description:	Find the area of a rectangle with whole-number side lengths using a visual model and a multiplication formula
Standard:	MA.3.GR.2.3
Description:	Solve mathematical and real-world problems involving the perimeter and area of rectangles with whole-number side lengths using a visual model and a formula.
Standard:	Math.3.MD.7a or 3.MD.C.7.A
Description:	Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.
Standard:	Math.3.MD.7b or 3.MD.C.7.B
Description:	Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.
Standard:	MA.3.GR.2.4
Description:	Solve mathematical and real-world problems involving the perimeter and area of composite figures composed of non-overlapping rectangles with whole-number side lengths.
Standard:	CC.2.3.3.A.2
Description:	Use the understanding of fractions to partition shapes into parts with equal areas and express the area of each part as a unit fraction of the whole.
Standard:	Math.3.MD.7c or 3.MD.C.7.C
Description:	Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.
Standard:	Math.3.MD.7d or 3.MD.C.7.D
Description:	Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.
Standard:	M03.C-G.1.1.3
Description:	Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.
Standard:	Math.3.G.2 or 3.G.A.2
Description:	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:	CC.2.4.3.A.5
Description:	Determine the area of a rectangle and apply the concept to multiplication and to addition.
Standard:	M03.D-M.3.1.1
Description:	Measure areas by counting unit squares (square cm, square m, square in., square ft, and non-standard square units)
Standard:	M03.D-M.3.1.2
Description:	Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real-world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning

Common Core Standards

Area

Math.3.MD.5a or 3.MD.C.5.A

A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area.

Math.3.MD.5b or 3.MD.C.5.B

A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.

Math.3.MD.6 or 3.MD.C.6

Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).

MA.3.GR.2.1

Explore area as an attribute of a two-dimensional figure by covering the figure with unit squares without gaps or overlaps. Find areas of rectangles by counting unit squares.

MA.3.GR.2.2

Find the area of a rectangle with whole-number side lengths using a visual model and a multiplication formula

MA.3.GR.2.3

Solve mathematical and real-world problems involving the perimeter and area of rectangles with whole-number side lengths using a visual model and a formula.

Math.3.MD.7a or 3.MD.C.7.A

Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.

Math.3.MD.7b or 3.MD.C.7.B

Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.

MA.3.GR.2.4

Solve mathematical and real-world problems involving the perimeter and area of composite figures composed of non-overlapping rectangles with whole-number side lengths.

CC.2.3.3.A.2

Use the understanding of fractions to partition shapes into parts with equal areas and express the area of each part as a unit fraction of the whole.

Math.3.MD.7c or 3.MD.C.7.C

Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.

Math.3.MD.7d or 3.MD.C.7.D

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

M03.C-G.1.1.3

Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.

Math.3.G.2 or 3.G.A.2

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.

CC.2.4.3.A.5

Determine the area of a rectangle and apply the concept to multiplication and to addition.

M03.D-M.3.1.1

Measure areas by counting unit squares (square cm, square m, square in., square ft, and non-standard square units)

M03.D-M.3.1.2

Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real-world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning

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