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## Find sums 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.

Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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## 정수의 덧셈

Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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by MEGHAN BROWN //basic
Write and solve vertical addition problems with whole numbers.
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by Maribel Aguilar //basic
Write and solve vertical addition problems with whole numbers.
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by Katie Kilpatrick //basic
Write and solve vertical addition problems with whole numbers.
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by sathyabama //basic
Write and solve vertical addition problems with whole numbers.
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by sathyabama //basic
Write and solve vertical addition problems with whole numbers.
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by sathyabama //basic
Write and solve vertical addition problems with whole numbers.
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by Prakash //basic
Write and solve vertical addition problems with whole numbers.
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Write and solve vertical addition problems with whole numbers.
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0

Write and solve vertical addition problems with whole numbers.
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0

by Sathyabama //basic
Write and solve vertical addition problems with whole numbers.
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0

Write and solve vertical addition problems with whole numbers.
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0

Write and solve vertical addition problems with whole numbers.
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by Dana Flowers //basic
Write and solve vertical addition problems with whole numbers.
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• PLIX

## Let's Go Fishing!

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by CK-12 //basic
Watch multiple visual ways to represent addition.
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• Video

by CK-12 //basic
Provides an example of adding 3 whole numbers.
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• Video

## Addition (up to sum 10) - Overview

by CK-12 //basic
Overview
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• Video

## Addition (up to 20) - Overview

by CK-12 //basic
Overview
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• Video

## Addition (sum up to 100) - Overview

by CK-12 //basic
Overview
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• Video

## Word Problems: Addition (up to sum 100) - Overview

by CK-12 //basic
Overview
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• Video

## Mixed Operations (numbers to 100) - Overview

by CK-12 //basic
Overview
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• Video

## Word Problems: Adding/Subtracting 3 Numbers - Overview

by CK-12 //basic
Overview
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1
• Video

by CK-12 //basic
Overview
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• Video

## Mixed Operations (numbers to 1000) - Overview

by CK-12 //basic
Overview
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• Video

## Addition (up to sum 10) - Example 1

by CK-12 //basic
Addition Sentences (up to sum 10)
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• Video

## Addition (up to sum 10) - Example 2

by CK-12 //basic
Adding by counting on (up to sum 10)
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• Video

## Addition (up to sum 10) - Example 3

by CK-12 //basic
Writing addition sentences (up to sum 10)
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1
• Video

## Addition (up to sum 10) - Example 4

by CK-12 //basic
Word problems-adding two numbers (up to sum 10)
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• Video

## Addition (up to 20) - Example 1

by CK-12 //basic
Addition pictures (up to sum 20)
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• Video

## Addition (up to 20) - Example 2

by CK-12 //basic
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• Video

## Addition (up to 20) - Example 3

by CK-12 //basic
Word problems: Addition with pictures (up to sum 20)
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• Video

## Addition (up to 20) - Example 4

by CK-12 //basic
Word problems (up to sum 20)
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• Video

## Addition (up to 20) - Example 5

by CK-12 //basic
Adding multiple one-digit numbers with pictures
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1
• Video

## Addition (up to 20) - Example 6

by CK-12 //basic
Word problems - adding multiple one-digit numbers
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• Video

## Addition (sum up to 100) - Example 1

by CK-12 //basic
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• Video

## Addition (sum up to 100) - Example 2

by CK-12 //basic
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• Video

## Addition (sum up to 100) - Example 3

by CK-12 //basic
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• Video

## Addition (sum up to 100) - Example 4

by CK-12 //basic
Select the correct addition sentence (up to sum 100)
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• Video

## Addition (sum up to 100) - Example 5

by CK-12 //basic
Select the incorrect addition sentence (sum up to 100)
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• Video

## Addition (sum up to 100) - Example 6

by CK-12 //basic
Complete the addition sentence (sum up to 100)
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• Video

## Word Problems: Addition (up to sum 100) - Example 1

by CK-12 //basic
One-step word problems (up to sum 100)
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• Video

## Word Problems: Addition (up to sum 100) - Example 2

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

## Mixed Operations (numbers to 100) - Example 1

by CK-12 //basic
Fill in the missing sign ( + or - ) (numbers to 100)
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• Video

## Mixed Operations (numbers to 100) - Example 2

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

## Mixed Operations (numbers to 100) - Example 3

by CK-12 //basic
Fact family (numbers to 100)
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• Video

## Mixed Operations (numbers to 100) - Example 5

by CK-12 //basic
Addition and subtraction terms (numbers to 100)
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• Video

## Word Problems: Adding/Subtracting 3 Numbers - Example 1

by CK-12 //basic
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• Video

## Word Problems: Adding/Subtracting 3 Numbers - Example 2

by CK-12 //basic
Word Problems: Subtracting 3 Numbers (same)
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• Video

by CK-12 //basic
Addition: Select the incorrect sentence (sum up to 1000)
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• Video

by CK-12 //basic
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• Video

## Mixed Operations (numbers to 1000) - Example 1

by CK-12 //basic
Mixed Operations: Select the correct sentence (numbers to 1000)
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• Video

## Mixed Operations (numbers to 1000) - Example 2

by CK-12 //basic
Mixed Operations: Select the incorrect sentence (numbers to 1000)
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1
• Video

## Mixed Operations (numbers to 1000) - Example 3

by CK-12 //basic
Fill in the missing sign (+ or -) (numbers to 1000)
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0
• Video

## Mixed Operations (numbers to 1000) - Example 4

by CK-12 //basic
Fact family (numbers to 1000)
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• Video

## Mixed Operations (numbers to 1000) - Example 5

by CK-12 //basic
Addition and subtraction terms (numbers to 1000)
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• Video

## Mixed Operations (numbers to 1000) - Example 6

by CK-12 //basic
Balance the equations (numbers to 1000)
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• Video

## Mixed Operations (numbers to 1000) - Example 7

by CK-12 //basic
Challenge flow chart (numbers to 1000)
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• Video

by CK-12 //basic
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• Video

by CK-12 //basic
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• 24

by Drishan Sarkar //basic
This webpage teaches the basic's of addition
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• Flashcards