Number System, Integers, One and Two Step Equations, Combing Like Terms, Estimating Square Roots, and Scientific Notation.

Classify the number -2.5

• Real, rational

• Real, rational, integer

• Real, irrational

Which statement is NOT true?

• Every rational number is a real number.

• Every counting number is a whole number.

• Every integer is a rational number.

• Every decimal number is an irrational number.

Classify 0

• Whole

• Integer

• Rational

• All of the above

What categories describe this number?

• Rational, Integer

• Rational,Whole, Integer

• Irrational, Integer

• Real, Irrational

How would 0.333333 be classified?

• rational only

• whole

• only integer 

• integer and rational

Where would you place -6?

• In the whole number circle because it's a whole number, integer, and rational number.

• In the integer circle because it's an integer and rational number only.

• In the rational circle because it's only a rational number.

• I'm not sure because I don't know what rational means.

Explain the error on your paper. STAAR

• -1.2 isn't an integer.

• -2 isn't a whole number and 3.4 isn't a rational number.

• -2 isn't a whole number and -1.2 isn't an integer.

• The numbers are graphed correctly.

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

17 = x + 3

• x = 20

• x = 14

• x = 13

• x = 19

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.