Evaluating Statements about Rational and Irrational Numbers Projector
Evaluating Statements about Rational and Irrational Numbers Projector Resources Evaluating Statements about Rational and Irrational Numbers
Poster with Headings Projector Resources Evaluating Statements about Rational and Irrational Numbers P-1
Instructions for Always, Sometimes or Never True 1. Choose a statement. • Try out different numbers. • Write your examples on the statement card. 2. Conjecture: decide whether you think each statement is always, sometimes or never true. • Always true: explain why on the poster. • Sometimes true: write an example for which it is true and an example for which it is false. • Never true: explain why on the poster. Projector Resources Evaluating Statements about Rational and Irrational Numbers P-2
Always, Sometimes or Never True? The sum of a rational number and an irrational number is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-3
Always, Sometimes or Never True? The circumference of a circle is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-4
Always, Sometimes or Never True? The diagonal of a square is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-5
Always, Sometimes or Never True? The sum of two rational numbers is rational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-6
Always, Sometimes or Never True? The product of a rational number and an irrational number is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-7
Always, Sometimes or Never True? The sum of two irrational numbers is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-8
Always, Sometimes or Never True? The product of two rational numbers is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-9
Always, Sometimes or Never True? The product of two irrational numbers is irrational True for: Projector Resources False for: Evaluating Statements about Rational and Irrational Numbers P-10
- Slides: 11
