Ticket out the Door


1. Explain how a zero pair of counters illustrates the additive inverse property.

 

2. Write an integer on a piece of paper. Explain (by writing) how to find its absolute value without a number line and without knowing the integer.

 

Explain to a me how you would find each sum or difference below.

3. -3 + (-1)

 

4. 5 + (-7)

 

5.

a. Find a value for x if x = -x

b. Find a value for x if |x| = -|x|

 

State the additive inverse and absolute value of each integer.

6.+7

 

7. -20

 

Find the sum or difference.

8. -12 + (-8)

 

9. -11 - (-7)

 

10. Evaluate the expression if y = 3

y - 7

 


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