Fun Friday

Adding/Subtracting Integers

100

-6 + (-5) + 10

-1

200

-16 + (-32) +2

-46

300

24 +(-35) + 10 + (-8)

-9

400

-9 - 9 - 9 +(-9)

-36

500

-3 - (-5) + (-12) + 5 + (-11)

-16

Multiplying Integers

100

5(-9)

-45

200

-6(-7)

42

300

4(-9 + 3)

-24

400

-4(-5)(-10)

-200

500

2.5(-3.1)

-7.75

Write as an algebraic expression

100

six times a number

6x

200

 seventeen less than a number

x - 17

300

45 more than three times a number

3x + 45

400

thirty three less than eight times a number

8x - 33

500

five more than twice a number, then tripled

3(2x+5)

Evaluate the expressions for x = 3, y= -3

100

xy

-9

200

3x - 10

-1

300

12 - 3y

21

400

x² +y - 2 

4

500

7xy + 10

-53

Equations

100

6x=24

x=4

200

5x + 12 = 72

x=12

300

4(x - 2)= 44

x = 13

400

6x - 4 = -3x + 23

x = 3

500

x + 3x - 10 = 16 + 5x - 27

x = 1