Algebraic Expressions Review (7th Grade)

Which of the following pairs of expressions are equivalent to each other?

Select all pairs of expressions that are equivalent to each other.

• 5w + 6w and 11w

• 7.2 + 2.5b - 1.8b and 4.3b

• (2f-2f) - y and 0

• -8r(5-5) and 0

• 4(w-2) and 4w-8

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the sum of

3x - 6y + 2x + 2y?

Your final answer should start with the x-term first

• 5x - 8y

• 5x - 4y

• x - 8y

• x + 4y

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Two equivalent expressions are shown in the equation where a and b are both integers.

a(5x + 4) = b + 15x

What is the value of a?

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Two equivalent equations are shown in the equation where a and b are both integers.

a(5x + 4) = b + 15x

What is the value of b?

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

The Mayor of Tallahassee, FL, is expecting an increase in population by 7.4% next year. If p represents the current population, which expression can the Mayor use to find the expected population for next year.

• 1.74p

• 1.074p

• p + 0.074

• 1 + 0.074

Tags

CCSS.7.EE.A.2

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The price to mail a letter at the post office is $0.55 for the first ounce and $0.23 for each additional ounce afterwards. Paighton paid $2.16 to mail her letter.

How much did Paighton's mail weigh?

• 6

• 7

• 8

• 9

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

• $7.40

• $18.85

• $19.85

• $12.40

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

During a ten-month period, the cost of the bag of rice (r) increased and decreased at different times. The highest cost for a bag of rice is r increased by 34% and the lowest cost for a bag of rice decreased by 34%.

Select all expressions describes the bag of rice (r) increasing by 34%

• 0.66r

• 1.34r

• r - 1.34r

• r - 0.34r

• r + 0.34r

Tags

CCSS.7.RP.A.3

During a ten-month period, the cost of the bag of rice (r) increased and decreased at different times. The highest cost for a bag of rice is r increased by 34% and the lowest cost for a bag of rice decreased by 34%.

Select all expressions describes the bag of rice (r) decreasing by 34%

• -0.34r

• r - 0.34r

• 0.66r

• 1.34r

• r - 1.34r

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3