Learn first grade math—addition, subtraction, length, graphs, time, and shapes. (aligned with Common Core standards)

First, we will learn how addition and subtraction relate. Next, we will add and subtract numbers less than or equal to 20 and solve addition and subtraction word problems. Finally, we will …

Quiz 1 Level up on the above skills and collect up to 320 Mastery points Start quiz

First, we will compare objects by length and measure objects with same-size length units without gaps or overlaps. Next, we will read and interpret bar graphs, tell time on an analog clock, and …

Mar 15, 2021 · They’ll help you assign the perfect practice for each student from our full math curriculum and track your students’ progress across the year. Plus, they’re also 100% free — …

Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more.

And so how do you know which place is which? Well the first place starting from the right, the first place is the ones place. And then you go one space to the left of it, you get to the 10s place. …

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!

Learn early elementary math—counting, shapes, basic addition and subtraction, and more.

Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.