BM2 Spiral Review

Front

What is the relationship between the number of potatoes and carrots grown by the gardener if the gardener grows 81 potatoes?

Back

The number of potatoes is 9 times as many as the number of carrots. Therefore, if 81 potatoes are grown, the number of carrots is 81 ÷ 9 = 9 carrots.

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet. They are always the same distance apart.

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Front

How many weeks are in a year?

Back

There are 52 weeks in a year.

Front

If Gracie turned 9 last year, how many weeks has she been alive?

Back

Gracie has been alive for 9 years × 52 weeks/year = 468 weeks.

Front

What is perimeter?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

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

Back

Area = length × width.

Front

What is a polygon?

Back

A polygon is a closed figure with three or more straight sides.