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More Lessons for High School Regents Exam
Math Worksheets
High School Math based on the topics required for the Regents Exam conducted by NYSED.
What is the Closure Property?
Algebra - The Closure Property
An introduction for the concept of closure and closed sets
Is the set of natural numbers closed under addition?
Is the set of natural numbers closed under subtraction?
Is the set of natural numbers closed under multiplication?
Is the set of natural numbers closed under division?
Closure Properties, more examples
Is the set of all even natural numbers closed under addition?
Is the set of all squared natural closed under multiplication?
Is the set of all odd whole numbers closed under multiplication?
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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