STAAR Review 7th Grade

Karen spends $450 on monthly bills. Of this total amount, 12% is for phone service, 10% is for internet service, 2/9 and is for utilities. If the rest of the total amount is for food, how much does Karen have for food?

• $144.00

• $199.00

• $251.00

• $277.00

Tags

CCSS.7.EE.B.3

A net of a square pyramid is shown above. What is the surface area, in square centimeters, of the pyramid?

• 60.7

• 86.7

• 121.4

• 147.4

Tags

CCSS.7.G.B.6

For her cellphone plan, Heather pays $30 per month plus $0.05 per text. She wants to keep her bill under $60 per month. Which inequality represents the number of texts, t, Heather can send each month while staying within her budget?

• t < 600

• t > 600

• t < 1800

• t > 1800

Tags

CCSS.6.EE.B.8

This graph shows the relationship between the pounds of cheese bought at a deli and the total cost, in dollars, for the cheese. Decide which statement(s) are correct.

• The point (1,4) means 4 pounds of cheese costs $1

• The constant of proportionality for this situation is 4.

• This situation can also be represented by the equation y= .25x

• A purchase of 6 pounds of this cheese will cost $11.

Tags

CCSS.7.RP.A.2D

Jessie created a scaled drawing of his bedroom for a project in math. If his actual desk is 4.5 feet in length, how long did he make the scale drawing of his desk?

• 0.75 inches

• 2.25 inches

• 0.9 inches

• 2.5 inches

Tags

CCSS.7.G.A.1

Miranda made a model airplane using a scale in which 0.25 inch represents 2 feet. Which graph shows this relationship?

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Tags

CCSS.8.EE.B.5

Ramona is walking 10,000 feet for a fundraiser. She walks at a rate of 270 feet per minute. This situation is modeled by the equation below, where d represents the remaining number of feet Ramona has to walk and t represents the number of minutes she has already walked.

d=10,000-270t

Which table shows only values that satisfy this equation?

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A right triangle has legs measuring 4.5 meters and 1.5 meters. The second triangle is similar to the first triangle. What could be the lengths of the legs of the second triangle?

• 6 m and 2 m

• 9 m and 6 m

• 8 m and 5 m

• 2.25 m and 3 m

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

As part of a survey, 50 students were asked about their favorite lunch items. The results are shown in the table. The cafeteria manager knows that about 300 students buy lunch from the cafeteria each day. Based on the table, she predicts that 60 students will buy pizza each day. Which statement about her prediction is true?

• Her prediction is invalid because 1/5 of 50 is 10.

• Her prediction is invalid because 1/4 of 300 is 75.

• Her prediction is valid because 120% of 50 is 60.

• Her prediction is valid because 20% of 300 is 60.

Which equation must be true?

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Tags

CCSS.HSG.SRT.A.2