Solving Two-Step Equation Find the Error

Solving Two-Step Equation Find the Error

9th Grade

20 Qs

quiz-placeholder

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Solving Two-Step Equation Find the Error

Solving Two-Step Equation Find the Error

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA.REI.A.1, 8.EE.C.7B, 7.EE.B.4A

+1

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in solving the equation 2a - 4(a - 5) = 10

Add 4 to both sides

Add the 2a and a 

Distribute 4 to a and -5

Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

Inverse operations

math

variable

PEMDAS

Tags

CCSS.7.EE.B.4A

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

The student found an incorrect common denominator

The student did not multiply all terms by the common denominator

The student did not use opposite operations appropriately

The student did not correctly eliminate the variable from one side of the equation

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the Error
What error did the student make when solving the equation:
5x + 6 =  66
5x - 6 = 66 -6
5x = 60
5*5x= 60*5
x = 300

The student subtracted 6 from both sides instead of adding

Student multiplied by 5 instead of dividing by 5

Student got the wrong answer when subtracting 66-6

The student did not correctly eliminate the variable from one side of the equation

Tags

CCSS.HSA.REI.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5x - 4 + 2x = 3

1

2

3

4

Tags

CCSS.8.EE.C.7B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The goal of solving a one, two, or multi-step equations is to:

Find the constant

Find the coefficient

Find the value of the variable

Guess and check

Tags

CCSS.6.EE.B.7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step to solve this equation:
11 - 3x = 44

Add 3 to both sides

Subtract 11 from both sides

Add 11 to both sides

Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

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