Mid-Year Review

Front

What is the perimeter of a triangle?

Back

The perimeter of a triangle is the total length of all its sides.

Front

If two sides of a triangle are 8 inches and 9 inches, how do you find the third side if the perimeter is known?

Back

Subtract the sum of the two known sides from the total perimeter.

Front

How many cookies are in 6 boxes if each box contains 30 cookies?

Back

Multiply the number of boxes (6) by the number of cookies in each box (30). Total = 180 cookies.

Front

What is division?

Back

Division is the process of splitting a number into equal parts.

Front

If there are 36 cards and 4 players, how do you find out how many cards each player gets?

Back

Divide the total number of cards (36) by the number of players (4). Each player gets 9 cards.

Front

What is a right angle?

Back

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

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.

Front

How do you round 317 to the nearest ten?

Back

Look at the digit in the ones place (7). Since it is 5 or more, round up to 320.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times.

Front

What is the formula for finding the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.