Common Core State Standards - Grade 3 Mathematics
These eight worksheets contain math problems aligned with the 3rd grade Common Core State Standards (CCSS) listed below.
[3.MD Measurement and Data]
- Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
5. Recognize area as an attribute of plane figures and understand concepts of area measurement.
a. A square with side length 1 unit, called Ã¢ï¿½ï¿½a unit square,Ã¢ï¿½ï¿½ is said to have Ã¢ï¿½ï¿½one square unitÃ¢ï¿½ï¿½ of area, and can be used to measure area.
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.
6. Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).
Relate area to the operations of multiplication and addition.
a. Find the area of a rectangle with whole-number side lengths bytiling it, and show that the area is the same as would be found by multiplying the side lengths.
b. Multiply side lengths to find areas of rectangles with wholenumber
side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.
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 Ãƒï¿½ b and a Ãƒï¿½ c. Use area models to represent the distributive property
in mathematical reasoning.
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
Use them for:
- standardized test prep
- assessment of common core standards
- homework assignments
- review sheets
Teacher answer key is included.
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