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First Counting Trail
Count to twenty, match the count to the group, and add a few small things together.
Math basics Grades K
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Practice math your way.
Bite-sized lessons with instant grading, star awards, and streaks. Built around the math you're learning at school.
Course catalog
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First Fractions
Cut a whole into equal pieces and learn to name what each piece is called.
Math basics Grades 3
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Operations Trail
From adding within twenty to grouping with parentheses — every operation has a place on this trail.
Math basics Grades 2-5
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Tens and Hundreds Tower
Climb a tower built from bundles of ten and stacks of one hundred.
Math basics Grades 1-2
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Big Numbers Bridge
Cross a bridge of thousands and learn to round, add, and multiply with confidence.
Math basics Grades 3-5
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Bridge of Equal Shares
Walk the number line and find the twins — fractions that look different but weigh the same.
Math basics Grades 3-4