Which set is “larger”: Integers or Whole Numbers? Why? 8/28/15 Which set is “larger”: Integers or Whole Numbers? Why? What is the difference between Whole Numbers and Natural Numbers? HW check today!
A little review… Find the square roots. 8 or -8 -6 (negative indicates only -6) 15 or -15
Rational and Irrational Numbers Pre-Algebra Mrs. Spanier Shmoop
Rational Numbers Can be made into a fraction a/b, where b ≠ 0. Repeating OR terminating decimal. 2/3 0.798798798…
Irrational Numbers Cannot be made into a fraction a/b, where b ≠ 0. Non-repeating AND non-terminating decimal. π 0.313311333111…
Classify the Following: Irrational -0.33333… Rational (equals -⅓)
Classify the Following: 0.818811888111… Irrational (no end, no repetition) 1⅔ Rational (can be 5/3) Rational (equals 10 or 10/1)
Compare and Contrast Rational v. Irrational
Rational v. Irrational – How alike? Are Real numbers Can be positive or negative Can be non-terminating decimals
Rational v. Irrational – How different? CAN be a fraction HAS a square root Can be terminating or repeating decimals Irrational: CANNOT be a fraction Has NO square root Can only be non-terminating, non-repeating decimals
The Number System Rationals Irrationals Integers Fractions π, √2, Real Numbers Rationals Irrationals Integers Fractions Rep. & Term. Decimals π, √2, 0.0100… -3, 8, 0 ½, 1, 12/5 ¼, 0.5, 0.333…
The End