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Main content

1st grade

Looking for Missions? Click here to start or continue working on the 1st grade Mission.

Place value

Numbers 0 to 120Ones and tensComparing 2-digit numbers

Addition and subtraction

Relate addition and subtractionAddition within 20Subtraction within 20Equal sign

Missing number within 20Word problems within 20Word problems with "more" and "fewer"Adding 1s and 10sIntro to addition with 2-digit numbers

Measurement, data, and geometry

Length and sizeBar graphsTime

ShapesFractions of shapes

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.

Recommended

Numbers 0 to 120

Missing numbers between 0 and 120

Numbers 0 to 120

Numbers 0 to 120

Intro to place value

Place value example: 25

Get Started
Numbers 0 to 120

Learn the numbers from 0 to 120.

Community questions