Angle Explorer & Protractor
Turn and measure angles with a virtual protractor, then try a mystery challenge.
Visual math tools
Make the numbers make sense.
Interactive helpers for practicing the steps, patterns, and ideas behind everyday math.
Explore the toolkit
Showing 9Equivalent Fractions & Fraction Slicer
Explore equivalent fractions with a slicer, fraction wall, and practice game.
Math Facts Fluency Lab
Practice addition, subtraction, multiplication, and division facts from 0–10.
Long Division Academy
Work through divide, multiply, subtract, and bring down one step at a time.
Stacked Multiplication Academy
Multiply digit by digit, place the carries, and add the partial products.
The Rounding Hill
See place value and the deciding digit in motion while you practice rounding.
Count-Up Subtraction
Use friendly-number jumps on a number line to find the difference.
Area Model Multiplication
Break numbers into tens and ones, then add the partial products.
Expanded Form & Word Form Studio
Write numbers in standard, expanded, and word forms with an interactive place value chart.
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