3rd Grade Math Review

Front

What is an equivalent fraction to 3/6?

Back

1/2

Front

How do you compare fractions?

Back

To compare fractions, find a common denominator or convert them to decimals.

Front

If Chris has 700 dresses and has designed 324 and 213 dresses, how do you find out how many he has left?

Back

Subtract the total designed dresses from the total dresses: 700 - (324 + 213) = 163 dresses.

Front

What fraction is closest to 1?

Back

7/10 is closest to 1.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

If the perimeter of a rectangle is 32 feet and one side is 9 feet, how do you find the width?

Back

Use the formula: 32 = 2(9 + width). Solve for width.

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

Front

What is the difference between proper and improper fractions?

Back

A proper fraction has a numerator smaller than the denominator, while an improper fraction has a numerator larger than or equal to the denominator.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.