EQUIVALENT ALGEBRAIC EXPRESSIONS

Nancy has n number of baseball cards. Tony has 3 fewer baseball cards than Nancy. Which expression shows the number of baseball cards Tony has?

• n × 3

• n – 3

• 3 – n

• 3 ÷ n

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

There are r rows of chairs with 7 chairs in each row. You can use the expression 7r to find the total number of chairs. If r=20, then find how many chairs there are.

• 140 chairs

• 720 chairs

• 27 chairs

• 70 chairs

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

A cell phone company charges $40 per month plus a $35 activation fee. You can use the expression 40m + 35 to find the amount you would pay after m months. If you plan on having the cell phone for 6 months, how much would you pay?

• $441

• $81

• $275

• $355

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.NS.B.3

Are the following expressions equivalent if y=4?

5y - 8 and 2(5y -4)

• Yes, they are equivalent.

• No, they are not equivalent.

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Are the following expressions equivalent?

4( y - 1) and 1 + 4y

• yes

• no

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Use properties of operations to determine whether or not the expressions are equivalent

(x + 10) + x + 9 and 2(x + 7) + 5

• equivalent

• not equivalent

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Use properties of operations to determine whether or not the expressions are equivalent

0.5x + 1 and 1(0.5x)

• equivalent

• not equivalent

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Use substitution to determine whether or not the expressions are equivalent.

3x + 2x + x and 7x

• equivalent

• not equivalent

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.5

Simplify

3x + 4 + 5x – 1

• 8x + 3

• 8x + 5

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4