Discover thousands of math skills covering pre-K to 12th grade, from counting to calculus, with infinite questions that adapt to each student's level.

IXL brings learning to life with over 200 different probability and statistics skills. Engaging questions and fun visuals motivate students to master new concepts.

IXL is the world's most popular subscription-based learning site for K–12. Used by over 17 million students, IXL provides personalized learning in more than 17,000 topics, covering math, language …

Probability is how likely something is to happen. Learn how to calculate simple probabilities in this free, interactive lesson! Start learning now.

Learn second grade math skills for free! Choose from hundreds of topics including addition, subtraction, place value, shapes, fractions, and more. Start now!

IXL is the world's most popular subscription-based learning site. Used by over 17 million students, IXL provides unlimited practice in more than 6500 math, English language arts and science topics. …

Learn first grade math skills for free! Choose from hundreds of topics including addition, subtraction, shapes, graphs, time, and more. Start learning now!

Learn fourth grade math skills for free! Choose from hundreds of topics including multiplication, division, fractions, angles, and more. Start learning now!

IXL is the world's most popular subscription-based practice program for K-12, covering math, language arts, science, social studies, and Spanish. Interactive questions, awards, and certificates keep kids …

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