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Early math

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Khan Academy Kids

Khan Academy Kids is our free comprehensive mobile app for kids ages two to six, covering math, reading, and more!
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Khan Academy Kids, a free app for ages two to six.

Counting

Counting: CountingNumbers 0 to 120: CountingCounting objects: Counting
Comparing small numbers: Counting

Addition and subtraction intro

What is addition? What is subtraction?: Addition and subtraction introMaking small numbers: Addition and subtraction introMaking 10: Addition and subtraction intro
Put together, take apart: Addition and subtraction introRelate addition and subtraction: Addition and subtraction introAddition and subtraction word problems: Addition and subtraction intro

Place value (tens and hundreds)

Teens: Place value (tens and hundreds)Tens: Place value (tens and hundreds)Comparing 2-digit numbers: Place value (tens and hundreds)
Hundreds: Place value (tens and hundreds)Comparing three-digit numbers: Place value (tens and hundreds)

Addition and subtraction within 20

Addition within 20: Addition and subtraction within 20Subtraction within 20: Addition and subtraction within 20Equal sign: Addition and subtraction within 20
Missing number within 20: Addition and subtraction within 20Word problems within 20: Addition and subtraction within 20Word problems with "more" and "fewer": Addition and subtraction within 20Repeated addition: Addition and subtraction within 20

Addition and subtraction within 100

Skip-counting: Addition and subtraction within 100Adding 1s and 10s: Addition and subtraction within 100Subtracting 1s and 10s: Addition and subtraction within 100Intro to addition with 2-digit numbers: Addition and subtraction within 100Intro to subtraction with 2-digit numbers: Addition and subtraction within 100
Strategies for adding and subtracting within 100: Addition and subtraction within 100Addition within 100: Addition and subtraction within 100Subtraction within 100: Addition and subtraction within 100Word problems within 100: Addition and subtraction within 100Word problems with "more" and "fewer" (within 100): Addition and subtraction within 100Addition and subtraction missing value problems: Addition and subtraction within 100

Addition and subtraction within 1000

Skip counting by 100s: Addition and subtraction within 1000Adding 1s, 10s, and 100s: Addition and subtraction within 1000Subtracting 1s, 10s, and 100s: Addition and subtraction within 1000
Strategies for adding 2- and 3-digit numbers: Addition and subtraction within 1000

Measurement and data

Length and size: Measurement and dataMeasuring length: Measurement and dataComparing and estimating length: Measurement and dataLength word problems: Measurement and data
Picture graphs: Measurement and dataBar graphs: Measurement and dataLine plots: Measurement and dataTime: Measurement and dataMoney: Measurement and data

Geometry

Basic shapes: GeometryProperties of shapes: GeometryComposing shapes: Geometry
Fractions of shapes: Geometry

Staff picks

Count tens
Making small numbers in different ways
Understanding place value when adding tens
Measuring length: golden statue
Recognizing shapes

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Counting

Learn to count from 0 to 20.
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