Tag: rational numbers
2 articles tagged with "rational numbers"
9 min
How to Explain Rational and Irrational Numbers to Eighth Graders
Every number is either rational or irrational—and knowing which is which unlocks the entire real number system. Here's how to make this abstract concept concrete.
10 min
How to Explain Rational Numbers to Seventh Graders
Negative numbers change everything—suddenly subtraction can give you a bigger number. Here's how to help seventh graders master operations with all rational numbers.