# Whole Number Subtraction

## Find differences of multi-digit 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.
• Video

## Basic Subtraction

by CK-12 //basic
An introduction to subtraction.
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• Video

## Subtracting Whole Numbers

by CK-12 //basic
Provides an example of subtracting a 3-digit number from a 4-digit number.
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• Video

## Subtraction (numbers up to 10) - Overview

by CK-12 //basic
Overview
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• Video

## Subtraction (numbers up to 20) - Overview

by CK-12 //basic
Overview
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• Video

## Subtraction (numbers up to 100) - Overview

by CK-12 //basic
Overview
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• Video

## Word Problems: Subtraction (numbers to 100) - Overview

by CK-12 //basic
Overview
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• Video

## Subtraction - Overview

by CK-12 //basic
Overview
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• Video

## Subtraction (numbers up to 10) - Example 1

by CK-12 //basic
Subtraction by counting backward with pictures
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• Video

## Subtraction (numbers up to 10) - Example 2

by CK-12 //basic
Subtracting by cross out with pictures - numbers up to 10
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## Subtraction (numbers up to 10) - Example 3

by CK-12 //basic
Select the subtracting sentence by crossing out- numbers up to 10
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• Video

## Subtraction (numbers up to 10) - Example 4

by CK-12 //basic
Subtracting by grouping (number up to 10)
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## Subtraction (numbers up to 10) - Example 5

by CK-12 //basic
Word problems-Subtraction with pictures -cross out - 1 digit
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• Video

## Subtraction (numbers up to 10) - Example 6

by CK-12 //basic
Subtraction word problems - one-digit numbers
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• Video

## Subtraction (numbers up to 20) - Example 1

by CK-12 //basic
Subtraction with pictures -by counting back (numbers up to 20)
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• Video

## Subtraction (numbers up to 20) - Example 2

by CK-12 //basic
Subtracting by cross out with pictures - numbers up to 20
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• Video

## Subtraction (numbers up to 20) - Example 3

by CK-12 //basic
Word problems-Subtraction-with pictures-cross out-number up to 20
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• Video

## Subtraction (numbers up to 20) - Example 4

by CK-12 //basic
Subtracting using Tens and Ones
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## Subtraction (numbers up to 20) - Example 5

by CK-12 //basic
Subtracting with group out
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• Video

## Subtraction (numbers up to 100) - Example 1

by CK-12 //basic
Subtracting 2-digit numbers without regrouping
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## Subtraction (numbers up to 100) - Example 2

by CK-12 //basic
Subtracting 2-digit numbers with regrouping
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## Subtraction (numbers up to 100) - Example 3

by CK-12 //basic
Select the correct subtraction sentence (numbers to 100)
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• Video

## Subtraction (numbers up to 100) - Example 4

by CK-12 //basic
Select the incorrect subtraction sentence (numbers to 100)
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• Video

## Subtraction (numbers up to 100) - Example 5

by CK-12 //basic
Subtraction: Complete the subtraction sentence (numbers to 100)
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• Video

## Word Problems: Subtraction (numbers to 100) - Example 1

by CK-12 //basic
One-step word problems (numbers to 100)
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## Word Problems: Subtraction (numbers to 100) - Example 2

by CK-12 //basic
Two-step word problems (numbers to 100)
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• Video

## Subtraction - Example 1

by CK-12 //basic
Subtraction: 3 digit - 2 digit (numbers to 1000)
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## Subtraction - Example 2

by CK-12 //basic
Subtraction: 3 digit - 3 digit (numbers up to 1000)
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## Subtraction - Example 3

by CK-12 //basic
Subtraction: Select the correct sentence (numbers to 1000)
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## Subtraction - Example 4

by CK-12 //basic
Subtraction: Select the incorrect sentence (numbers to 1000)
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• Video

## Subtraction - Example 5

by CK-12 //basic
Subtraction: Complete the subtraction sentence (numbers to 1000)
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