Integers
Decimals & Fractions
Comparing Expressions
Number Lines
Word Problems
100

-8 + (-4)

-12

100

-25.8 + 3.2


-25.8 + 3.2

25.8 - 3.2 = 22.6

- 22.6

100

Use the commutative property to write an expression equivalent to:

-7 + 4

4 + (-7)

100

What two points are exactly 4 units away from zero?

4 and -4

100

Sandy has $20. If she buys a backpack for $12.50 and a new notebook for $2.25, how much money will she still have?

She will have $5.25.

200

12 - 20

12 + (-20)

20-12 = 8

-8

200

7.30 –(-2.75)

7.30 –(-2.75)

7.30 + 2.75

10.05



200

Write another expression that is equivalent to:

                                 5 - 7 


5 +(-7)  or  -7 + 5

200

What two points are exactly 3.5 units away from zero?

3.5 and -3.5

200

You are playing golf with your mom. On the first hole you scored a 2. On the second hole you scored -1. On the third hole you scored -2. What is your current score? 


My current score is -1.


300

-3 – (-2)

-3 – (-2)

-3 + 2

3-2=1

-1


300

½ + (-2 ½)

½ + (-2 ½) 

2 ½ - ½ = 2

-2

300

Change it to addition:

            -4 –(9) 


-4 –(-9) is equivalent to:

-4 + 9 


300

When modeling this expression, which direction should the second arrow point?

-5 + 4

Your whiteboard should say "left" or "right"

More positive points to the:


Right

300

What is the distance between 648 and -178?

|648 - (-178)|

|648 + 178|

|826|

826

400

15 - 20 + 3

15 - 20 + 3

15 + (-20) + 3

15 + 3 = 18

20 - 18 = 2

-2

400

Lucky you!  Your team wins 40 points!

Lucky you!  Your team wins 40 points!

400

Write 2 different equivalent expressions for:


            5 + (-8)


-8 + 5

5 – 8

-8 –(-5)


400

When modeling this expression, which direction should the second arrow point?

-5 - (-4)

Your whiteboard should say "left" or "right"

Less negative points to the:

Right

400

In one day you withdrew $24 and deposited $19. What was the overall change in your account? 


The overall change in the account is -$5.


500

-12 + 4 –(-3)


-12 + 4 –(-3)

-12 + 4 + 3

-12 + 7

12 - 7 = 5

-5

500

-7.5 + 3.4 – 2.2


-7.5 + 3.4 – 2.2

-9.7 + 3.4

9.7 - 3.4 = 6.3

-6.3

500

You must be lucky!  Your team gets 50 points!

You must be lucky!  Your team gets 50 points!



500

Will the value of this expression be positive or negative:

- 5 - 7

Negative

500

Oh, you're the lucky one!  Your team gets 50 points!

Oh, you're the lucky one!  Your team gets 50 points!