4th Math Review

Front

What is the total amount of money Nathan has before buying the poster?

Back

Nathan has $3 (1 bill) + $0.50 (2 quarters) + $0.20 (2 dimes) + $0.20 (4 nickels) = $3.90.

Front

How do you find out how much money Nathan has left after buying the poster?

Back

Subtract the cost of the poster ($3.36) from the total amount he had ($3.90). $3.90 - $3.36 = $0.54.

Front

What type of angle is 90 degrees?

Back

A right angle.

Front

What is the definition of a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

If each carton of ice cream costs $8, how do you find out how many cartons can be bought with $45?

Back

Divide the total amount of money ($45) by the cost of one carton ($8). 45 ÷ 8 = 5 cartons.

Front

What is the result of 372 divided by 3?

Back

372 ÷ 3 = 124.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

Front

If you round 753 to the nearest ten, what do you get?

Back

You get 750.

Front

If you round 753 to the nearest hundred, what do you get?

Back

You get 800.

Front

What is the difference between an acute angle and an obtuse angle?

Back

An acute angle is less than 90 degrees, while an obtuse angle is greater than 90 degrees but less than 180 degrees.