Common Core StandardsArea |
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|---|---|
| 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: | 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: | 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: | 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. |
3rd Grade Math - Area Lesson