Solving Equations

Solving Equations

Open Ended

Do you have any good things to share? If so, what is your good thing? [Mine is that I got my new glasses yesterday!]

Poll

How are you feeling today?

• Happy

• Sad

• Mad

• Tired

Poll

This week, I've mainly been...

• happy.

• sad.

• lonely.

• frustrated.

Poll

The color that makes me smile MOST is...

• Blue

• Yellow

• Orange

• Pink

• Purple

Multiple Choice

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

• Subtraction

• Division

• Multiplication

• Addition

Multiple Choice

17 - 5 · 3

• 2
• 36
• 3
• 35

Multiple Choice

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

Multiple Choice

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

Multiple Choice

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

Multiple Choice

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

Multiple Choice

40 - 2⁴ + 8

• 40
• 32
• 24
• 42

Multiple Choice

True or false:
Addition ALWAYS comes before subtraction.

• True
• False

Multiple Choice

11² - 8 ⋅ 7 + 2

• 100
• 793
• 67
• 49

Multiple Choice

Are these two expressions equal?

(6 - 4) -1 and 6 - (4 - 1)

• Yes, they both equal 1

• Yes, they both equal 3

• No, they are not equal

​Lets take some notes!

Multiple Choice

12x = 144

• x = 12
• x = 4
• x = 2
• x = 132

Multiple Choice

3y = -15

• -5
• 5
• -3
• 3

Multiple Choice

-4x + 1 = 21

• x=120
• x=5
• x=30
• x=-5

Multiple Choice

5 = 7s - 9

• 2
• 6
• 7
• 8

Multiple Choice

-30 - 5x = 120

• x = 18
• x = -18
• x = 30
• x = -30

Multiple Choice

m - 7 + 5m = 11

• m = 6

• m = -2

• m = 4

• m = 3

Multiple Choice

-10(2m + 1) = - 50

• m = -7

• m = 20

• m = 5

• m = 2

Multiple Choice

15f + 12 - 9 - 11f = 43

• f = - 9

• f = 11

• f = - 8

• f = 10

Multiple Choice

$$16\ =\frac{k}{11}$$  

The variable, k, is being divided by 11. What step needs to be completed to isolate the variable k?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

Multiple Choice

Solve for x in the following equation:
$$\frac{x}{-4}$$  = 9

• 13

• 36

• -36

• $$\frac{-4}{9}$$  

Multiple Choice

In the equation

x + 7 = 12

7 is being added to the variable, x.

How should you show your work to isolate the variable and solve the equation?

• Subtract 7 from both sides. The solution is x = 5.

• Add 7 to both sides.

  The solution is x = 19.

• Multiply both sides by 7 The solution is x = 84.

Multiple Choice

True or False: In order to solve the equation below, you would add 6 to each side then multiply by -8 on each side.

$$\frac{g}{-8}\ -6\ =\ -12$$  

• true

• false

Multiple Choice

¾ x + 7 = 22

• x = 5
• x = 20
• x= 7
• x= 22

Multiple Choice

8v - v + 8 = 22

• 2

• 10

• 4

• -4

Multiple Choice

What is the first step to solve this equation:

- 3x -11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.