Adding and Subtracting Rational numbers

Front

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number
• Add together and keep the sign
• Keep, change, switch
• Add the opposite

Back

Add together and keep the sign

Front

- 31 + - 7

Back

- 38

Front

- 12 + - 8

Back

- 20

Front

Solve the problem: -4 - 10

Back

-14

Front

Numbers that are greater than zero and to the right of zero on the number line.

Back

positive numbers

Front

Numbers that are less than zero and located to the left of zero on the number line.

Back

negative numbers

Front

Evaluate:  -19 -10

Back

-29

Front

−28+(−8)=

Back

−36

Front

What is the value of | –7 |?

Back

7

Front

What's a way to define absolute value?

Back

The distance of a number from zero