This card sort activity has students categorize 24 statements about the Real Number System as Always True, Sometimes True, and Never True. The statements relate to the different types of numbers in the Real Number System: Real, Irrational, Rational, Integer, Whole, and Natural. 8.2A Extend previous knowledge of sets and subsets using a visual representation to describe relationships between sets of real numbers
This is a foldable used to help students understand the real number system. The outside flaps cover the irrational and rational numbers. Inside the foldable there are 3 more flaps containing the integers, whole numbers and natural numbers. Students write down what it means for a number to be either rational or irrational. A bank of numbers is also included for the student to classify after the foldable is put together.This foldable can be put together with one sheet of paper.