Q2 Review - Multiply and Divide Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 3/4.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 3/4 = (2*4 + 3)/4 = 11/4.

Front

What does the term 'of' indicate in a math problem?

Back

The term 'of' indicates multiplication. For example, '3/4 of 250' means 3/4 * 250.

Front

What is the first step in dividing fractions?

Back

The first step is to 'Keep, Change, Flip' the second fraction.

Front

What does 'Keep, Change, Flip' mean?

Back

Keep the first fraction the same, change the division sign to multiplication, and flip the second fraction.

Front

How do you multiply mixed numbers?

Back

Convert each mixed number to an improper fraction, then multiply the fractions together.

Front

Back

Front

How do you divide a mixed number by a fraction?

Back

Convert the mixed number to an improper fraction, then multiply by the reciprocal of the fraction.

Front

What is the total cost of 3/4 pound of grapes at $5.50 per pound?

Back

The total cost is $4.13.

Front

How do you round a number to the nearest cent?

Back

Look at the third decimal place; if it's 5 or more, round up the second decimal place by one.