NC.4 MD.3

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2 x (Length + Width)

Front

If the perimeter of a rectangle is 40 inches and the length is 12 inches, how do you find the width?

Back

Width = (Perimeter/2) - Length

Front

What is the formula for calculating the area of a rectangle?

Back

Area = Length x Width

Front

If a rectangle has a length of 10 feet and a width of 8 feet, what is its area?

Back

Area = 10 ft x 8 ft = 80 square feet

Front

What is the relationship between perimeter and area?

Back

Perimeter is the total distance around a shape, while area measures the space inside the shape.

Front

How do you find the dimensions of a rectangle if you know the perimeter and area?

Back

Use the perimeter formula to express one dimension in terms of the other, then substitute into the area formula.

Front

What is the perimeter of a rectangle with a length of 9 ft and a width of 1 ft?

Back

Perimeter = 2 x (9 ft + 1 ft) = 20 ft

Front

If a rectangle has a perimeter of 48 feet, what could be its dimensions?

Back

Possible dimensions include Length: 20 feet, Width: 4 feet.

Front

How do you calculate the difference in rainfall between two months?

Back

Subtract the rainfall amount of the second month from the first month.

Front

What does it mean if a shape has a larger area but the same perimeter as another shape?

Back

It means the shape is more 'spread out' or has a different configuration.