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# Working with Real Numbers

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Working with Real Numbers

by CK-12 //basic

Explore additional resources on Working with Real Numbers.

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• Video

## Evaluating Subtraction Expressions (One Variable Value Given) - Overview

by CK-12 //basic

Overview

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## Evaluating Subtraction Expressions (Two Variable Values Given) - Overview

by CK-12 //basic

Overview

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## Evaluating Change - Overview

by CK-12 //basic

Overview

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## Evaluating Multiplication Expressions (One Variable Value Given) - Overview

by CK-12 //basic

Overview

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## Evaluating Multiplication Expressions (Two Variable Values Given) - Overview

by CK-12 //basic

Overview

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## Finding Multiplicative Inverses - Overview

by CK-12 //basic

Overview

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• Video

## Evaluating Division Expressions (One Variable Value Given) - Overview

by CK-12 //basic

Overview

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• Video

## Evaluating Division Expressions (Two Variable Values Given) - Overview

by CK-12 //basic

Overview

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## Graphing and Ordering Real Numbers - Overview

by CK-12 //basic

Overview

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• Video

## Evaluating Addition Expressions - Example 1

by CK-12 //basic

Evaluating Addition Expressions Given Integer Variable Values

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## Evaluating Addition Expressions - Example 2

by CK-12 //basic

Evaluating Addition Expressions Given Decimal Variable Values

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## Evaluating Addition Expressions - Example 3

by CK-12 //basic

Evaluating Addition Expressions Given Fractional Variable Values

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• Video

## Evaluating Subtraction Expressions (One Variable Value Given) - Example 1

by CK-12 //basic

Evaluating Subtraction Expressions Given One Integer Variable Value

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• Video

## Evaluating Subtraction Expressions (One Variable Value Given) - Example 2

by CK-12 //basic

Evaluating Subtraction Expressions Given One Decimal Variable Value

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• Video

## Evaluating Subtraction Expressions (One Variable Value Given) - Example 3

by CK-12 //basic

Evaluating Subtraction Expressions Given One Fractional Variable Value

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• Video

## Evaluating Subtraction Expressions (Two Variable Values Given) - Example 1

by CK-12 //basic

Evaluating Subtraction Expressions Given Two Variable Values

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• Video

## Evaluating Subtraction Expressions (Two Variable Values Given) - Example 2

by CK-12 //basic

Evaluating Subtraction Expressions Given Two Variable Values and Groupings

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• Video

## Evaluating Subtraction Expressions (Two Variable Values Given) - Example 3

by CK-12 //basic

Evaluating Subtraction Expressions Given Two Variable Values and Absolute Values

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• Video

## Evaluating Change - Example 1

by CK-12 //basic

Finding Change in Temperature or Elevation

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• Video

## Evaluating Multiplication Expressions (One Variable Value Given) - Example 1

by CK-12 //basic

Evaluating Multiplication Expressions Given One Integer Variable Value

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• Video

## Evaluating Multiplication Expressions (One Variable Value Given) - Example 2

by CK-12 //basic

Evaluating Multiplication Expressions Given One Decimal Variable Value

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• Video

## Evaluating Multiplication Expressions (One Variable Value Given) - Example 3

by CK-12 //basic

Evaluating Multiplication Expressions Given One Fractional Variable Value

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• Video

## Evaluating Multiplication Expressions (Two Variable Values Given) - Example 1

by CK-12 //basic

Evaluating Multiplication Expressions Given Two Variable Values

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• Video

## Evaluating Multiplication Expressions (Two Variable Values Given) - Example 2

by CK-12 //basic

Evaluating Multiplication Expressions Given Two Variable Values with Groupings

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• Video

## Evaluating Multiplication Expressions (Two Variable Values Given) - Example 3

by CK-12 //basic

Evaluating Multiplication Expressions Given Two Variable Values and Absolute Values

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• Video

## Finding Multiplicative Inverses - Example 1

by CK-12 //basic

Finding the Multiplicative Inverse of Positive Numbers

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## Finding Multiplicative Inverses - Example 2

by CK-12 //basic

Finding the Multiplicative Inverse of Negative Numbers

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• Video

## Evaluating Division Expressions (One Variable Value Given) - Example 1

by CK-12 //basic

Evaluating Division Expressions Given One Integer Variable Value

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• Video

## Evaluating Division Expressions (One Variable Value Given) - Example 2

by CK-12 //basic

Evaluating Division Expressions Given One Decimal Variable Value

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• Video

## Evaluating Division Expressions (One Variable Value Given) - Example 3

by CK-12 //basic

Evaluating Division Expressions Given One Fraction Variable Value

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• Video

## Evaluating Division Expressions (Two Variable Values Given) - Example 1

by CK-12 //basic

Evaluating Division Expressions Given Two Variable Values

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• Video

## Classifying Numbers - Example 1

by CK-12 //basic

Identifying Numbers as Real, Rational, Irrational, Integer, or Whole

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• Video

## Graphing and Ordering Real Numbers - Example 1

by CK-12 //basic

Graphing a Set of Real Numbers on a Number Line

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• Video

## Graphing and Ordering Real Numbers - Example 2

by CK-12 //basic

Ordering a Set of Real Numbers (ascending or descending)

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