4.MD.3

Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.

1.		Ordering By Area - order 4 objects by area, using 1 square centimetre grid
2.		Ordering By Area - order 5 objects by area, using 1 square centimetre grid
3.		Ordering By Area - order 4 objects by area, using 1 square unit grid
4.		Ordering By Area - order 4 objects by area, using 1 square centimetre grid
5.		Block and Table - use grid to match area estimate in square units to shapes
6.		Building Blocks - use grid to match area estimate in square units to shapes
7.		Area Of The Oblongs - use grid to match area estimate in square units to shapes
8.		Area Of The Oblongs - use grid to match area estimate in square units to shapes
9.		In This Case... - calculate perimeter of rectangle given side lengths
10.		Pet Shares: $100/ 4
11.		Christmas cash: 2x$80+8x$40
12.		Raking in the cash: 2x$60+3x$20
13.		Circus Cash: 3x$70+4x$60
14.		Peek-a-boo - expressing 1 square meter
15.		Approximating Area - to nearest whole number, using 1 square inch grid
16.		Approximating Area - to nearest whole number, using 1 square inch grid
17.		The Vegie Patch - expressing area of 1 square meter
18.		Pace Out the Bounds 1 - perimeter of rectangle given dimensions, whole m
19.		Pace Out the Bounds 2 - perimeter of triangle, given side lengths, in ins
20.		Pace Out the Bounds 3 - side length given perimeter of square, whole m
21.		Derry's Door - expressing 1 square meter
22.		Approximating Area - to nearest whole number, using 1 square inch grid
23.		Pace Out the Bounds 4 - side length given perimeter of square, whole miles
24.		The Bird Cage - equivalent to 1 square m
25.		Coloring Space - expressing 1 square yard