8a pre-algebra quiz review

Presentation

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Mathematics

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8th - 9th Grade

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Practice Problem

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Medium

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CCSS

8.NS.A.1, 6.EE.A.2C, 7.EE.A.1

Standards-aligned

Christina Labita

Used 31+ times

FREE Resource

6 Slides • 15 Questions

8a Pre-Algebra quiz review

Ms. Labita

Open Ended

Give an example of an irrational number:

Type response here

Open Ended

Give an example of an integer:

Type response here

Multiple Choice

Which number is a whole number but NOT a natural number?

-1

Multiple Choice

Which of the following statements is FALSE?

All Natural Numbers are integers.

Irrational Numbers all contain decimals.

All Rational Numbers are Integers.

Fractions are Rational Numbers.

Multiple Choice

Which represents a rational number?

$\sqrt[]{169}$

$\sqrt[]{26}$

$\sqrt[]{120}$

$\sqrt[]{50}$

Multiple Choice

Which number in the list is NOT an integer?

$\frac{-12}{4}$

$-4^2$

$\sqrt[]{25}$

-4.9

Multiple Choice

Which number is irrational?

$-\frac{\sqrt[]{15}}{2}$

$\pi-\pi$

$\frac{\sqrt[]{121}}{5}$

$0.\overline{6}$

PEMDAS and Expressions

REMINDER: Multiplication and Division, and Addition and Subtraction are interchangeable.
Do what comes first from left to right.
When evaluating expressions, substitute a number in using parenthesis.
Evaluate with PEMDAS

Multiple Choice

Evaluate $xy^2-3x+4y$ when x=3 and y=-1

-10

Multiple Choice

Evaluate $\frac{a^2+3ab}{b}$ when a=5 and b=-1.

-25

-10

The Properties:

The Commutative Property : Addition and Multiplication
The Associative Property: Addition and Multiplication
Addition/Subtraction Property of Equality
Multiplication/Division Property of Equality
Distribute Property
Identity Property: Addition or Multiplication
Inverse Property: Addition or Multiplication

Open Ended

Which property is being represented? $\left(6+x\right)+3x=6+\left(x+3x\right)$

Type response here

Multiple Choice

Which property is used in the first step of solving this equation?

$3x+5=17$

Addition Property of Equality

Subtraction Property of Equality

Multiplication Property of Equality

Division Property of Equality

Combining Like Terms

Like terms have the same variable AND exponent.
To combine like terms, add the coefficients. Keep the variable and exponent the SAME

Multiple Choice

Simplify the expression by combining like terms. $-4x^2+6x-12+7x^2-8x+10$

$3x^2-2x-2$

$3x^2+2x-2$

$-3x^2-2x+2$

$x^2-2$

Multiple Choice

Simplify: $\frac{1}{5}\left(25x-10\right)-\left(x-10\right)$

$24x-20$

$4x+12$

$4x-12$

$4x+8$

Solving Equations

Isolate the variable using inverse operations.
For 2 step equations, "undo" the addition/subtraction first. Then, the multiplication/division.

Fill in the Blanks

$\frac{2}{3}x+25=33$ , x=?

Type answer...

Multiple Choice

Solve for x: $6-3x=-21$

-9

-5

8a Pre-Algebra quiz review

Ms. Labita

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