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Main content

2nd grade

Learn with the Khan Academy Kids app

Kids ages 2-8 (preschool—2nd grade) can read, play, and learn with fun animal friends in our free interactive mobile app, Khan Academy Kids. We have tools for teachers, too!

Add and subtract within 20

Add within 20Add using arraysSubtract within 20

Add and subtract within 20

Place value

Intro to place valueNumbers in standard, word, and expanded formRegroup whole numbers

Comparing 2 and 3 digit numbersEven and odd numbersCounting patterns within 1,000

Add and subtract within 100

Visually adding within 100Strategies for adding within 100Visually subtract within 100

Addition and subtraction: missing valuesAddition and subtraction within 100 word problemsAddition and subtraction within 100 word problems (multi-step)

Add and subtract within 1,000

Visually adding within 1,000Strategies for adding within 1,000Strategies for subtracting within 1,000

Adding up to four 2-digit numbers

Money and time

Counting moneyTime

Measurement

Units of lengthMeasure lengthsEstimate lengths

Length word problems

Data

Picture graphsBar graphsLine plots

Geometry

ShapesEqual parts of shapesPartition rectangles

Course challenge

Test your knowledge of the skills in this course. Have a test coming up? The Course challenge can help you understand what you need to review.

Community questions