NC.4 MD.3

Front

What is the definition of perimeter?

Back

The 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: P = 2(length + width).

Front

If a rectangle has a length of 10 ft and a width of 5 ft, what is its perimeter?

Back

P = 2(10 + 5) = 30 ft.

Front

What does it mean to find the difference in a math problem?

Back

Finding the difference means subtracting one number from another.

Front

If there are 10 boys and 6 girls who like basketball, how many fewer girls than boys are there?

Back

10 - 6 = 4 fewer girls.

Front

What is the formula to find the width of a rectangle if you know the perimeter and length?

Back

Width = (Perimeter/2) - Length.

Front

If the perimeter of a rectangle is 40 inches and the length is 12 inches, what is the width?

Back

Width = (40/2) - 12 = 8 inches.

Front

What is a favorite sport survey?

Back

A favorite sport survey collects data on people's preferred sports.

Front

How do you compare two numbers to find how much more one is than the other?

Back

Subtract the smaller number from the larger number.

Front

If 100 mm of rain fell in May and 55 mm in June, how much more rain fell in May?

Back

100 - 55 = 45 mm more rain.