Real Numbers Review

A list of numbers ordered from least value to greatest value is shown below. One number is missing.

• 4.9%

• 4.7

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8.2.D

Two friends went to lunch at a pizza parlor. Jared ordered 4 slices of pizza and a soda that costs $2. Michael ordered 2 slices of pizza and a pack of cookies for $5. They paid the same amount per slice of pizza. How much does one slice of pizza cost at this pizza parlor in dollars and cents?

Mathematical Equivalence

ON

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8.8.C

Set I and Set W are subsets of the real number system.

I = {integers}

W = { whole numbers}

Which diagram best represents the relationship between Set I and Set W?

• 
• 
• 
• 

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8.2

The two lines on the coordinate grid represent a system of equations.

What is the x-coordinate of the ordered pair that best represents the solution to both equations?

• 3

• -3

• -6

• -2

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8.9

The graph shows the total cost, y, of renting a bike for x hours. Write an equation to represent this relationship.

Mathematical Equivalence

ON

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8.5.I

Mr. Jenkins deposited $1,250 into an account. He made no additional deposits or withdrawals. Mr. Jenkins earned 4.25% annual simple interest on the money in the account.

What was the balance in dollars and cents in Mr. Jenkins's account at the end of 4 years?

Mathematical Equivalence

ON

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8.12.D

Terry paid $10.00 for 4 bags of chips from the grocery store.

Click and drag both points to create a graph that represents the amount Terry paid for x bags of chips.

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8.4B

8.4.B

The diagram shows a right triangle and the lengths of two of its sides in inches.

Which measurement is closest to the value of the missing side length in inches?

• 8.9 in.

• 4.6 in.

• 15.1 in.

• 1.9 in.

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8.7.C

Lucy estimated that it would take 4,000 grains of sand to make a pound. That would mean that each grain of sand weighs 1/4000 of a pound. In decimal form, that weight would be 0.00025 of a pound. Express this in scientific notation?

• 2.5 × 10^–4 pounds

• 4 × 10^–3 pounds

• 2.5 × 10^–3 pounds

• 2.5 × 10^–5 pounds

Which section(s) would the numbers –7, 8, –4 be placed in according to the chart?

• Irrational

• Integers

• Whole

• Natural