Fourth Grade Math Review 2

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length x width.

Front

What is the area of a garden that is 12 feet by 15 feet?

Back

180 square feet.

Front

How do you round a number to the nearest ten thousand?

Back

Look at the thousands place; if it's 5 or more, round up.

Front

Round 982,654 to the nearest ten thousand.

Back

990,000.

Front

What is the nearest thousand to 11,000?

Back

11,000.

Front

If a number is rounded to the nearest thousand, what does that mean?

Back

It means the number is adjusted to the closest multiple of 1,000.

Front

What is 841,852 + 963,741?

Back

1,805,593.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What shapes typically have right angles?

Back

Squares and rectangles.

Front

What is the difference between perimeter and area?

Back

Perimeter is the distance around a shape; area is the space inside a shape.