PSSA Math Grade 8 Sampler: Part 1

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CCSS.8.EE.A.2

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CCSS.8.EE.A.4

Brian claims that the product of a rational number and an irrational number is always irrational . Which counterexample proves that Brian’s claim is not true?

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CCSS.HSN.RN.B.3

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CCSS.8.NS.A.2

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CCSS.8.EE.A.2

• Kevin is correct only if ab < 10.

• Kevin is correct only if a + b < 10

• Kevin is not correct because the exponents are subtracted when multiplying powers with the same base, and 5 – 4 = 1.

• Kevin is not correct because the exponents are multiplied when multiplying powers with the same base, and 5 × 4 = 20

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CCSS.8.EE.A.4

Lily is making cookies. The graph shows the linear relationship between the number of cups of butter and the number of cups of sugar she uses.

How many cups of sugar does Lily use for 1 cup of butter?

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CCSS.7.RP.A.2D

Kara uses 4 red lights for every 9 purple lights in an art display . Which graph models the relationship between the number of red lights (x) and the number of purple lights (y) Kara uses?

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CCSS.8.EE.B.5

The graph shows a line and triangles A and B.

Which statement about the graph is correct?

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CCSS.8.EE.B.6

The graph shows the relationship between the time, in hours, and the number of books printed, in thousands, at a book manufacturing company.

Based on the graph, which equation describes the relationship between the time, in hours, and the number of books printed, in thousands?

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CCSS.8.EE.B.5