Expressions and Equations Review

3x+4+5x+3²

Select TWO statements about this expression that are true.

• The expression has five terms

• The coefficient of one of the terms is 5

• The exponent in one of the terms is 2

• The x is a variable in eight of the terms

• There are two constants

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.2

CCSS.6.EE.B.6

6b² + 4 (b + 4)

when b = 3

• 64

• 82

• 70

• 84

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Simplify the following:

(2 + 7 - 1) ÷ 2²

• 16

• 2

• 1

• 7.5

Ryan evaluated the following expressions using the steps below

((4 + 3)²+5 x 3)

((4+9) + 5 x 3)

13 + 5 x 3

13 + 15

28

Where was Ryan's mistake?

• 3² as 9, instead of 7² as 49

• 5x3 as 15, instead of 13 + 5 as 18

• 13 + 15 as 28, instead of 15-13 as 2

Mrs. Powell sell h amount of headphones in September. She sell 6 less than 4 times as many headphones in January as she did in September.

Which expression could Mrs. Adams use to represent the number of headphones sold in January?

• 4 - h = 6

• 4h - 6

• 4h - 6h

• 6 - 4h

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Jay'vionne earns $15 for each lawn he mows. He uses the expression 15m to calculate how much money he makes, in dollars.

What is the meaning of the variable m in Jay'vionne's expression?

• the total amount of money he makes

• the number of lawns he mows

• the number of hours it takes to mow each lawn

• the amount of money he makes per lawn

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

5(a + 6) - 4

• 5a + 6

• a + 26

• 5a + 26

• 5a - 30

Which property is needed to produce the equivalent expression 5(2x + 3r) from the expression 10x + 15r?

• distributive property

• commutative property

• multiplicative inverse property

• associative property

An expression is shown below

2(6 + 9) + 5

Select THREE expressions that are equivalent to the given expression.

• 4(5 +0) + 15

• 7(2 + 2) +7

• 6( 6 + 3) +8

• 8(2 + 3) - 5

• 2(2 + 2) +2

Kyle works at a candy shop. A customer wants 6 grams of chocolate. Kyle puts some chocolate on the scale to weigh it. Then, he removes some of the chocolate and weighs it again. The equation below represents this situation.

1

6.75 - c = 6.00 grams of chocolate

What is the value of c, and what does it represent?

• represents the amount of chocolate, in grams, that the customer purchased

• The value of c is 22.75, and it represents the amount of chocolate, in grams, that the customer purchased

• The value of c is 22.75, and it represents the amount of chocolate, in grams, that was removed from the scale

• The value of c is 10.75, and it represents the amount of chocolate, in grams, that was removed from the scale