Review For Test 1 Standard 8 th Grade Math Equations, Order of Operations, Word Problems, Absolute Value, Evaluating Expressions.

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Presentation transcript:

Review For Test 1 Standard 8 th Grade Math Equations, Order of Operations, Word Problems, Absolute Value, Evaluating Expressions

Raffy spends $255 on five basketballs. How much does each basketball cost?

Together, a necklace and a bracelet cost $384. Find the price of each if the necklace costs 7 times as much as the bracelet.

The length of a rectangle is 3 cm less than 7 times the width. The perimeter is 154 cm. Find the width and length.

Raffy’s age is 5 years more than 7 times Abigail’s age. The sum of their ages is 125. Find each of their ages.

Simplify (5-2) 2

Evaluate. 3 + y 2 5 for y = 3

Solve. 5x – 9 = 46

Solve. | 3x – 7 | + 3 = 9

Evaluate. x – 7 for x = 32

Simplify ÷ 5 – (1-8)

Simplify by combining like terms. 5y 3 + 8y + 3x 2 + 6y 3 + 7y

Write an equation to represent the relationship. a.The sum of a number and 8 is 30. b.The quotient of a number and 3 is 6.

Solve. 3/5 x = 45

Solve. 37 = 17 – 4a

Solve. 2/5 x – 1/9 = 4/9

Solve. 7(m + 3) = 56

Solve. -7a + 8 – 5a = -16

Solve. n – 5 + n = 4 – 2n

Solve. | k | = -19

Explain step-by-step how to solve the following equation. Be thorough in your explanation! 2(x – 4) + 9x = 25

Vocabulary.! On the next couple of slides…give the word for which the definition is given.

To simplify an expression using order of operations

An expression that contains at least one variable

Terms that have the same variable to the same power

The distance a number is from zero on the number line

A letter used to represent an unknown quantity

A number whose value always remains the same

An expression that contains only numbers

Study this review tonight! Do all of the problems 2-3 more times.