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Rates

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Conversions

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Proportions

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Similar Figures and Scale

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Probability and Odds

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Ratio

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$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Ratio Rates Conversions Proportions Similar Figures and Scale Probability and Odds

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How do you change a rate into a unit rate?

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What is you make the denominator equal 1 by dividing the numerator and denominator by the denominator?

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I traveled 291 miles with 6 gallons of gas (in my Prius). Change that to a unit rate (round to the nearest tenth if necessary).

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What is 48.5miles/gallon?

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I paid $5.99 for 64oz of ice-cream. Find the cost (to the nearest penny) per ounce.

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What is $0.09/oz?

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Change each to a unit rate to determine which is the better deal: A: $2.05 for 16lb B $3.92 for 28lb

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What is choice A ($0.13/lb)?

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Jerry threw 84 strikeouts in 10 games. Tom had 60 in 8 games. Who has the better strikeouts per game average and by how much?

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Who is Jerry by 0.9 strikeouts per game?

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Change 0.254 to a percent.

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What is 25.4%?

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Convert 5/25 to a decimal and percent

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What is 0.2 and 20%?

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Convert 0.6% to a decimal and fraction (in lowest terms)

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What is 0.006 and 3/500?

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Convert to a decimal and percent 5 3 8

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What is 5.375 and 537.5%?

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Convert 1.852 to a fraction and percent

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What is and 185.2%? 1 213 250

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Do the ratios below form proportion? How can you tell? 8 = 2 124

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What is no, because 8x4 does not equal 12x2?

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Do the ratios below form proportion? Prove it. 3.8 = 15.2 3.112.4

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What is yes 3.8x12.4 = 3.1x15.2 (47.12)?

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Find n. Round to the nearest tenth. n = 9 98

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What is h = 10.1?

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Find p. Round to the nearest tenth. 16 = p 209

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What is p = 7.2?

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12 bags of potatoes cost $30. How many bags can you buy for $510?

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What is 204 bags?

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What are the characteristics of similar figures and what does the sign for similar figures look like?

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Similar figures (1) have the same shape (equal angles) and (2) their sides are in proportion. The sign indicating similarity looks like ~.

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Two cities are 350 miles apart. A map uses a scale of 2.5cm:20miles. How far apart are the cities on the map?

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What is 43.75cm?

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A model of a T-Rex uses a scale of 4.5in:7ft. The arms of the model are 1.9in long. How long were the T-Rex’s arms in real life (round to the nearest foot)?

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What is 3ft?

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Find y in these similar figures. y 5in 90in 24in

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What is y = 18.75in?

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Find g and h in these similar figures. 3m g h 10.5m 14m 7m

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What is h = 4m and g = 2m?

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Explain the difference between probability and odds.

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Probability is the amount of successful outcomes over total possible outcomes. Odds are the amount of successful outcomes over unsuccessful outcomes.

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Find the probability of rolling a number less than 3 on an eight sided die numbered 1-8.

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What is 1/4?

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Find the odds in favor of choosing a green M&M out of a bag containing 6 orange, 3 yellow, 5 green and 2 blue M&Ms.

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What is 5:11?

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Use all 26 letters of the alphabet to answer the following: a.P(a vowel or a consonant) b. P(П) c. P(a letter in the word ‘street’)

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What is a.P(a vowel or a consonant) = certain, 1 b.P(П) = impossible, 0 c. P(a letter in the word ‘street’) = 2/13

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You create a game where two players roll a number cube. Player A gets 2 points if it lands on 1 or 2. Player B gets 2 points if it lands on 3 or 4 and both players get 0 points if it lands on 5 or 6. Is this a fair game?

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What is yes because both players have the same probability of scoring 2 points 1/3 and scoring no points 1/3?

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What is the difference between a ratio and a rate?

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A ratio compares two numbers and a rate is a type of ratio that compares two quantities using different units.

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Describe the ratios formed by the figure below in 4 different ways?

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What is 3 shaded : 8 total 8 total : 3 shaded 5 unshaded : 8 total 8 total : 5 unshaded 5 unshaded : 3 shaded 3shaded : 5 unshaded

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What are three ways of writing a ratio? (You can use any numbers to make your ratios)

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What is 2 : 5 2 to 5 and 2 ? 5

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Write as a ratio in simplest form: 70 homes out of 125 have a computer with internet access.

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What is 14 to 25?

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A recent poll PA residents found the following results: Candidate# in favor Clinton104 Obama72 Undecided24 Write the following ratios in simplest form: a.number in favor of Clinton to Obama b.number of undecided to total

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What is a. 13 to 9 b. 3 to 25

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1 ratios 9C5 - 9C6 tell how one number is related to another. may be written as A:B, or A/B, or A to B. compare quantities of the same units of measurement.

1 ratios 9C5 - 9C6 tell how one number is related to another. may be written as A:B, or A/B, or A to B. compare quantities of the same units of measurement.

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