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8th grade math worksheets
Need the right level, not just the grade label? Start wherever your child feels comfortable.
- Answer keys included
- Reopen any sheet later
- Letter & A4 ready
What to practice this year
The Pythagorean theorem is the year's centrepiece, and the direction matters. Finding the hypotenuse is an addition and a square root; finding a leg is a subtraction and a square root, and a child who has only practised the first will add when they should take away. Both directions get their own sheets here for that reason, and every triangle is built from a whole-number triple so the arithmetic never obscures the method.
Why these skills come next
Whole-number answers are what make the practice about the theorem. Built from any two legs, a right triangle almost never has a whole hypotenuse, and a sheet full of surds tests notation rather than method. Every triangle here comes from a Pythagorean triple, which is what a textbook does and for the same reason.
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