MFCR: 2.3 Rewriting Equations + 2.4 Addition Property Enrichment

2.2.16

Rachel works at a bookstore. On Tuesday, she sold twice as many books as she did on Monday. On Wednesday, she sold 6 fewer books than she did on Tuesday. During the three days Rachel sold 19 books. Create an equation that can be used to find m, the number of books Rachel sold on Monday. (Enter answer without spaces)

Tags

CCSS.HSA.CED.A.3

2.3.1a

Choose the correct definition for: Equation

• Opposite operations that undo one another

• Two equivalent expressions connected by an equal sign

• Equations and formulas with several variables

• What happens to one side of an equal sign must also happen to the other side of the equal sign

Tags

CCSS.8.EE.C.7B

2.3.1c

Choose the correct definition for: Literal Equations

• Opposite operations that undo one another

• Two equivalent expressions connected by an equal sign

• Equations and formulas with several variables

• What happens to one side of an equal sign must also happen to the other side of the equal sign

Tags

CCSS.HSA.CED.A.4

2.3.1d

Choose the correct definition for: Inverse Operations

• Opposite operations that undo one another

• Two equivalent expressions connected by an equal sign

• Equations and formulas with several variables

• What happens to one side of an equal sign must also happen to the other side of the equal sign

Tags

CCSS.HSA.REI.A.1

2.3.2

All of the following are equivalent except ___________.

Tags

CCSS.HSA.CED.A.4

2.3.3

Solve C = AB + D for B.

Tags

CCSS.HSA.CED.A.4

2.3.6

Solve for x.
x + 5 = 2x

(Enter numerical value only)

2.3.4

In which of the following solutions would you multiply both sides of the equation by n?

• Solve m + n = p for m.

• Solve m - n = p for m.

• Solve mn = p for m.

Tags

CCSS.HSA.CED.A.4

2.3.5

Which of the following statements explains how to solve for w in the equation A = lw?

• Divide both sides by A.

• Multiply both sides by l.

• Multiply both sides by A.

• Divide both sides by l.

Tags

CCSS.HSA.CED.A.4

Tags

CCSS.6.EE.B.7