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Equivalent equations and moves

Authored by Osnat Stone

Mathematics

9th Grade

CCSS covered

Used 18+ times

Equivalent equations and moves
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which expression is equivalent to the original equation 2(x+6)=5

2x + 6 = 5

2(x + 5) = 6

x + 6 = 5
2x + 12 = 5

Tags

CCSS.8.EE.C.7A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new one:

Original: 4(x-2)=6
New: 4x-8=6

The order of the terms was changed

Combining like terms

The distributive property

Adding the same number to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new one:

Original: 3(x-1)=7
New: 3x-3=7

The order of the terms was changed

Combining like terms

The distributive property

Adding the same number to both sides of the equation.

Tags

CCSS.HSA.REI.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new equation?

Original: 4x+5=10

New: 8x+10=20

Subtract 5 from both sides.

The same number was multiplied by all terms in the equation.

Divide the entire equation by 2.

Add 10 to both sides.

Tags

CCSS.HSA.REI.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new equation?

Original: 2x-9=25

New: -9+2x=25

The order of the terms changed

Combined like terms

the same number was subtracted to both sides of the equation

The distributive property was performed

Tags

CCSS.HSA.CED.A.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new equation?

Original: 20x-8=10

New: 10x-4=5

The same number was divided by all terms in the equation.

Multiplied the entire equation by 2.

Subtracted 5 from both sides.

Added 5 to both sides.

Tags

CCSS.HSA.REI.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What move was made from the original equation to the new equation?

Original: -5x-8= -11

New: -8-5x= -11

The same number was added to both sides

The same number was subtracted to both sides

The equation was multiplied by -1.

The order of the terms changed

Tags

CCSS.HSA.CED.A.4

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