Praxis ii Practice

Front

What is the formula to calculate total earnings based on hourly pay?

Back

Total Earnings = Hourly Rate × Hours Worked

Front

If Edie mixes juices in a ratio of 1:3, how do you calculate the amount of each juice needed for a total volume?

Back

For a total volume of 48 cups, use the ratio to find: Red Raspberry = (3 parts / 4 parts total) × 48 cups = 36 cups.

Front

What is the product of 8.5 and 9.07?

Back

77.095

Tags

CCSS.6.NS.B.3

Front

How do you calculate the percentage of a subgroup within a total?

Back

Percentage = (Number in subgroup / Total number) × 100. For ninth graders: (20 / 46) × 100 ≈ 43%.

Front

What is the probability of two independent events occurring simultaneously?

Back

Probability = P(Event 1) × P(Event 2). For a cube landing on 4 and coin landing heads: (1/6) × (1/2) = 1/12.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Front

Define 'ratio' in mathematical terms.

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the significance of a 'fair' die or coin in probability?

Back

A 'fair' die or coin means each outcome has an equal chance of occurring.

Tags

CCSS.7.SP.C.7A

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100. For example, 1/4 = 1/4 × 100 = 25%.

Front

What is the concept of 'total volume' in mixtures?

Back

Total volume is the sum of the volumes of all components in a mixture.

Tags

CCSS.3.MD.A.2

Front

Explain the term 'independent events' in probability.

Back

Independent events are those whose outcomes do not affect each other.

Tags

CCSS.HSS.CP.A.5