Unit 4 Math Review

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: Perimeter = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

What is the definition of area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a square?

Back

Area = side × side or Area = side².

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a shape has an area of 24 square units, what could be its possible dimensions?

Back

Possible dimensions could be 6 units by 4 units, or 8 units by 3 units.

Tags

CCSS.3.MD.D.8

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

What is a unit of measurement for length?

Back

Common units include inches, centimeters, and meters.

Tags

CCSS.2.MD.A.3

Front

What is a unit of measurement for area?

Back

Common units include square inches, square centimeters, and square meters.

Tags

CCSS.3.MD.C.6

Front

If a shape has a perimeter of 20 cm, what could be the lengths of its sides?

Back

Possible lengths could be 5 cm, 5 cm, 5 cm, and 5 cm for a square.

Tags

CCSS.3.MD.D.8