b. Multiply side lengths to find areas of mathematical area problems by multiply, side rectangles with whole-number side lengths in the multiplying side lengths of lengths, area, context of solving real world and mathematical rectangles. whole-number, problems, and represent whole-number products context, as rectangular areas in mathematical reasoning. I can represent whole-number product, c. Use tiling to show in a concrete case that the products in multiplication problems mathematical area of a rectangle with whole-number side by using rectangular arrays. reasoning lengths a and b + c is the sum of a × b and a × c. tiling, concrete Use area models to represent the distributive C. I can use tiling to show the area case, area of property in mathematical reasoning. of a rectangle with whole number rectangles, d. Recognize area as additive. Find areas of sides. length, rectilinear figures by decomposing them into area models, rectangles and adding the areas of I can use area models to represent distributive the non-overlapping parts, applying this the distributive property in property, technique to solve real world problems. mathematical reasoning. mathematical reasoning D. I can decompose rectilinear figures into non-overlapping recognize, area, rectangles. additive, rectilinear figures, I can determine the technique of decompose, decomposing rectilinear figures to find the area of each rectangle to parts, technique solve real world problems. I can determine the area of each rectangle by using the technique of decomposing regular figures. 3.MD.8 Solve real world and mathematical I can design, create, draw, model, real-world, Chapter 19 problems involving perimeters of polygons, exhibit etc. rectangles with the perimeter, Lesson 19.5 including finding the perimeter given the side same perimeter and different polygons, side lengths, finding an unknown side length, and areas. length, area exhibiting rectangles with the same perimeter and different areas or with the same area and I can design rectangles with the different perimeter same area and different perimeters. I can exhibit rectangles with the same perimeter and different areas or with the same area and different
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. 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. d. Recognize area as additive. Find areas of rectilinear figures by decomposing them into rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems. mathematical area problems by multiplying side lengths of rectangles. I can represent whole-number products in multiplication problems by using rectangular arrays. C. I can use tiling to show the area of a rectangle with whole number sides. I can use area models to represent the distributive property in mathematical reasoning. D. I can decompose rectilinear figures into non-overlapping rectangles. I can determine the technique of decomposing rectilinear figures to find the area of each rectangle to solve real world problems. I can determine the area of each rectangle by using the technique of decomposing regular figures. multiply, side lengths, area, whole-number, context, product, mathematical reasoning tiling, concrete case, area of rectangles, length, area models, distributive property, mathematical reasoning recognize, area, additive, rectilinear figures, decompose, parts, technique 3.MD.8 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 perimeter I can design, create, draw, model, exhibit etc. rectangles with the same perimeter and different areas. I can design rectangles with the same area and different perimeters. I can exhibit rectangles with the same perimeter and different areas or with the same area and different real-world, perimeter, polygons, side length, area Chapter 19 Lesson 19.5
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