Equations

Alexis wrote 28 - 8 = 20. Then she wrote 28 - 8 + q = 20 - q. Are her equations balanced? Explain.

• Yes, she put a q on both sides of the equation

• Yes, she is just copying the work from the book

• No, she added q to one side, and subtracted q from the other

• No, she started adding things that weren't even there, what was she thinking?

Which equation can be used to describe the pattern in the table?

Tags

CCSS.6.EE.C.9

Which of the following equations was used to graph the line shown?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Tags

CCSS.6.EE.B.7

A mathematical sentence stating that two expressions are equal is called an ​ (a)  

• equation

• expression

• term

Tags

SOL 6.13

A mathematical sentence in which two expressions appear on either side of an “equals” sign (=), stating that the two expressions are equivalent.

• Solution

• Equation

• Term

• Solve

Which of the following are EQUATIONS? (Mark all that are equations.)

• 56k+2=116

• 15+k=36

• 5m+12b-1

• = 4d-5

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which of the following are EQUATIONS?

• 56k+2=116

• 15+k=36

• 5m+12b-1

• = 4d-5

Substitute each given value of the variable to find which, if any, is a solution of the equation.

• 2

• 3

• 3.5

• 4

• none

Tags

CCSS.6.EE.B.5

Tell whether the equation is true or false for n = 8.

5n = 40

• true

• false

Tags

CCSS.6.EE.B.5