Sharpen your skills with interactive challenges, explore the surprising world of probability, and have fun while you learn!
Race the clock on 50 random facts from 0+0 through 10+10. Miss one? It goes to the back of the line. Can you land on the leaderboard?
Start the challenge โ ร 10Race the clock on 50 random facts from 0ร0 through 10ร10. Miss one? It goes to the back of the line. Can you land on the leaderboard?
Start the challenge โ ยฑ -7Race the clock on 25 random problems mixing addition and subtraction with numbers from -10 to 10. Miss one? It goes to the back of the line. Can you land on the leaderboard?
Start the challenge โ ๐ข 10รDiscover how every digit's position determines its value. Explore base-ten blocks, expanded form, and what happens when you multiply or divide by 10.
Start exploring โ ๐ 12Two ways to practice โ read a clock and type the time, or drag the hands to set it. Three progressive levels with a streak to chase in each.
Start practicing โ > <Learn what >, <, and = really mean, then put it to the test โ race a hungry alligator to spot the greater number and line up a whole group in order.
Start comparing โ ๐ธ +5Hop along a number path by 2s, 5s, and 10s, uncover patterns on a hundred grid, and practice by typing or saying your answers aloud.
Start hopping โ ๐ฏ โHow close can you get without counting? Estimate dots, marbles, number line positions, and more โ then see how your number sense stacks up.
Start estimating โ ยฑ โWork with integers on the number line, master the sign rules for every operation, and turn subtraction into "add the opposite" โ two lessons in one place.
Start learning โ ยฝ รทEvery fraction skill in one place โ add and subtract, reduce to simplest form, and multiply and divide โ each with step-by-step lessons and interactive practice.
Explore fractions โ . 3.14Get to know decimal place value, then practice comparing and ordering decimals โ the foundation for every decimal skill still to come.
Start learning โ % 25Master the math of parts and wholes โ learn what percents are, how to find a percent of a number, and how percents show up in real life.
Explore percents โ ๐ cmLearn customary and metric units and how to convert between them, starting with length and distance โ with a ruler-reading challenge and more.
Start measuring โ ๐ %Sort and tally data, read and build picture, bar, line, and circle graphs, and find the mean, median, mode, and range โ with more graphs and statistics on the way.
Start graphing โ x ?A step-by-step series that starts with a single mystery number and builds toward solving real equations. Hands-on activities and scored practice in every lesson.
Start the series โ โณ โPoints, lines, and planes โ the building blocks of geometry โ plus angles, shapes, and more, with illustrations to make every term click.
Explore geometry โ ๐ฒ %Spin the spinner, roll the dice, and take on the classic game-show puzzle that stumps even the experts โ two ways to explore how chance really works.
Explore probability โ