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Common Core · Grade 3

127 curriculum codes

Maths

Measurement & Data

CCSS.MATH.CONTENT.3.MD.C.7.b — opens in a new tab

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.

8 resources

CCSS.MATH.CONTENT.3.MD.C.7.c — opens in a new tab

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.

9 resources

CCSS.MATH.CONTENT.3.MD.C.7.d — opens in a new tab

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.

6 resources

CCSS.MATH.CONTENT.3.MD.D.8 — opens in a new tab

Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

7 resources

Number & Operations in Base Ten

CCSS.MATH.CONTENT.3.NBT.A.1 — opens in a new tab

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

7 resources

CCSS.MATH.CONTENT.3.NBT.A.2 — opens in a new tab

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.

19 resources