3rd Grade Math STAAR Review

Front

What is the total time if a movie lasts 1 hour and 15 minutes?

Back

1 hour and 15 minutes is equal to 75 minutes.

Front

What is the closest time the movie ended if it started at 6:45 PM?

Back

The movie ended at 8:00 PM.

Front

What is a fraction?

Back

A fraction represents a part of a whole, expressed as a numerator over a denominator.

Front

How do you find the fraction of a group that is a certain color?

Back

Count the number of that color and divide by the total number of items.

Front

What is the formula to calculate the perimeter of a polygon?

Back

Perimeter = sum of the lengths of all sides.

Front

If each side of an octagon is 3 cm, what is the perimeter?

Back

Perimeter = 8 sides × 3 cm = 24 cm.

Front

What is multiplication?

Back

Multiplication is repeated addition of the same number.

Front

How do you calculate the total number of items if you have multiple groups?

Back

Multiply the number of groups by the number of items in each group.

Front

What is the equation to find the number of candles on each cake if you have 3 boxes of 8 candles for 4 cakes?

Back

The equation is 3 × 8 ÷ 4 = number of candles per cake.

Front

What does it mean if someone works more hours?

Back

Working more hours usually means earning more money.