Adding Rational Numbers

Front

To add two fractions, I need to...

Back

have a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of a number and its opposite?

Back

zero.

Tags

CCSS.7.NS.A.1B

Front

At the beginning of the week, Jimmy has $20 dollars. He spends $13 on Monday. He receives $2 on Tuesday. Then he spends $4 on Wednesday and spends $5 on Thursday. How much money does Jimmy have at the beginning of the day on Friday?

Back

0 dollars.

Tags

CCSS.3.OA.D.8

Front

What is the absolute value of a number?

Back

the distance between that number and zero.

Tags

CCSS.6.NS.C.7C

Front

Which number is the additive inverse of 5?

Back

-5.

Tags

CCSS.7.NS.A.1B

Front

What is a rational number?

Back

Tags

CCSS.5.NBT.A.2

Front

How do you find the sum of two rational numbers with different denominators?

Back

Convert them to have a common denominator before adding.

Tags

CCSS.7.NS.A.1C

Front

What is the additive inverse of a number?

Back

The number that, when added to the original number, results in zero.

Tags

CCSS.7.NS.A.1B

Front

Back

-3.

Tags

CCSS.7.NS.A.1B

Front

What is the process of simplifying a fraction?

Back

Dividing the numerator and denominator by their greatest common divisor.