2 step Equations Review

2 step Equations Review 01.11.21

Students will be able to analyze equations and state the correct steps to solve the equations.

How do we solve a two step equation?

• Step 1: Get rid of the 3rd wheel by adding or subtracting FIRST.

• Step 2: Break up the happy couple by multiplying or dividing SECOND.

Multiple Select

Place a check mark in each step that is correct. (There should be 2)

4x−15=25

• Add 15 to both sides

• Subtract 15 from both sides

• Multiply by 4 on both sides

• Divide by 4 on both sides

Multiple Select

Place a check mark in each step that is correct. (There should be two checkmarks.)
 
 

 $\frac{x}{-3}$  ​+20 = 30

• Subtract 20 from both sides

• Add 20 to both sides

• Multiply by -3 on both sides

• Multiply by 3 on both sides

Multiple Choice

Solve for p in this equation: 6p - 5 =13

• 12

• 15

• 3

• -3

Multiple Choice

 $\frac{n}{6}$  + 4 = -6

Solve for n:

• 10

• 60

• -10

• -60

Answer privately in the chat box to your teachers. What are the first and second steps to solve these two problems.

Translating words to equations.

Can you write a two step equation from words?

Translating Words to Equations

• Which equation is translated by the following words: Eight less than 4 times an unknown number is 68.

• Ms. S had 82 grades she entered in PS. She entered 12 grades each block and 10 more from Mrs. Wms. students. Which equation is explained?

• WFHS band director took 115 students to New Orleans. Ten students were transported by their parents. Four charter busses transported the remaining students. How many were on each bus?

Multiple Choice

Which equation is translated by the following words: Six more than nine times an unknown number is 78.

• 6x + 9 = 78

• 9x + 6 = 78

Multiple Choice

Ms. S has 64 papers to grade. She grades 12 papers each block after giving 20 papers to Mrs. Wms. Which equation is explained?

• 12p - 20 = 64

• 20p - 12 = 64

Poll

How confident are you with solving two step equations?

• I'm very confident.

• I'm some what confident.

• I need more help.

• I'm totally lost.

Exit ticket of the day! Kahoot Review

Do you know how to solve two step equations with confidence?