Praxis 5903 Math Review

52 question-and-answer flashcards covering number sense, fractions, decimals, percentages, algebra, geometry, and basic statistics from the Praxis 5903 math review lecture.

What is the value of the digit 7 in 7,843?

7,000

What is 0.25 as a fraction?

1/4

Round 4,398 to the nearest hundred.

4,400

What is 3/4 + 2/4?

5/4 or 1 1/4

What is the value of 5^2?

25

What is the greatest common factor of 18 and 24?

6

What is the least common multiple of 4 and 5?

20

What is 6 ÷ 1/2?

12

What is 1/3 of 12?

4

Is 7 a prime or composite number?

Prime

Convert 0.6 to a percent.

60%

What is 25% of 200?

50

Write 0.375 as a fraction.

3/8

Simplify: 6 + 4 × 3

18

What property is shown: 5 + 0 = 5?

Identity Property

What is 3.2 + 4.56?

7.76

What is 24 ÷ 6 + 2 × 3?

10

What's the product of 1/2 × 1/3?

1/6

Convert 2/5 to a decimal.

0.4

What's the place value of 6 in 5.682?

Hundredths

Simplify: 2x + 3x

5x

Evaluate 2x + 1 when x = 4.

9

What does it mean if an equation has no solution?

No value satisfies it

What's the inverse of addition?

Subtraction

Is x + 2 = 10 an equation or expression?

Equation

Translate to algebra: Five more than a number x.

x + 5

Solve: 3x = 15

x = 5

Solve: 2x + 3 = 11

x = 4

What is a variable?

A letter that represents a number

What's the value of y in y = 3x when x = 2?

6

What kind of number pattern is 2, 4, 8, 16?

Geometric sequence

What is the coefficient in 7x?

7

What is the solution to x - 5 = 12?

x = 17

What is the opposite operation of multiplication?

Division

What does a function table show?

Input-output relationships

What is the area of a rectangle with length 8 and width 5?

40

What is the perimeter of a square with side 6?

24

How many degrees in a right angle?

90°

How many sides does a hexagon have?

6

What is the volume of a box 2 × 3 × 4?

24 cubic units

Name a shape with one pair of parallel sides.

Trapezoid

What tool measures angles?

Protractor

What's the total degrees in a triangle?

180°

What quadrant is point (-3, 4) in?

Quadrant II

What is a line that never ends called?

Ray

Convert 3 feet to inches.

36 inches

What's the mean of 2, 4, 6, 8?

5

What's the mode of 3, 3, 4, 5?

3

What's the range of 5, 8, 2, 10?

8

What's the median of 1, 3, 3, 6, 7?

3

What's the probability of rolling a 3 on a die?

1/6

Which measure is most affected by an outlier?

Mean

Identity Property of Addition

Any number plus 0 equals itself.

Example: 5 + 0 = 5

Identity Property of Multiplicatio

Any number times 1 equals itself.

Example: 9 × 1 = 9

Commutative Property of Addition

Numbers can be added in any order.

Example: 4 + 6 = 6 + 4

Commutative Property of Multiplication

Numbers can be multiplied in any order.

Example: 7 × 3 = 3 × 7

Associative Property

The grouping of numbers doesn’t change the sum.