Operations with Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the process for multiplying mixed numbers?

Back

1. Convert each mixed number to an improper fraction. 2. Multiply the numerators together. 3. Multiply the denominators together. 4. Simplify if necessary.

Tags

CCSS.5.NF.B.6

Front

Back

Tags

CCSS.5.NF.B.6

Front

How do you subtract fractions with different denominators?

Back

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Back

Tags

CCSS.7.NS.A.1C

Front

How do you add a negative number to a positive number?

Back

When adding a negative number to a positive number, subtract the absolute value of the negative number from the positive number.

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.1C

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor.

Tags

CCSS.6.NS.A.1

Front

Back

Tags

CCSS.7.NS.A.2A