Rational and Irrational Numbers and Simple Operations

Operations with Rational and Irrational Numbers

Comparison of rational and irrational numbers.

Operations with radicals and classification of answers as rational or irrational

Rational Numbers

Irrational Numbers

Multiple Choice

Classify  $$\frac{3}{5}$$  

• Rational

• Irrational

Multiple Choice

Classify  $$\sqrt{5}$$  

• Rational

• Irrational

Multiple Choice

Classify  $$-3.254$$  

• Rational

• Irrational

Multiple Choice

Classify  $$\frac{\pi}{2}$$  

• Rational

• Irrational

Multiple Choice

Classify  $$\sqrt{121}$$  

• Rational

• Irrational

Poll

How comfortable are you with identifying rational and irrational numbers?

• I understand completely

• I am okay

• Not there yet, just need more practice

• I am still lost, when is tutoring?

Adding and Subtracting Radicals

Multiple Choice

$$\sqrt{4}+\sqrt{4}=$$  

Solve:

Hint what is the square root of 4?

• $$4;\ rational$$  

• $$\sqrt{8};\ irrational$$  

• $$\sqrt{16};\ rational$$  

• $$2\sqrt{4};\ irrational$$  

Multiple Choice

$$5\sqrt{11}-3\sqrt{11}$$  

Solve:

• $$2\sqrt{11};\ irrational$$  

• $$2\sqrt{22};\ rational$$  

• $$2;\ rational$$  

• $$22;\ rational$$  

Multiple Choice

$$2\sqrt{9}+3\sqrt{4}-\sqrt{5}$$  

Solve:

Hint what is the square root of 4 and 9?

• $$12-\sqrt{5};\ irrational$$  

• $$4\sqrt{8};\ irrational$$  

• $$2\sqrt{9}+3\sqrt{4}-\sqrt{5};\ irrational$$  

• $$30-\sqrt{5};\ rational$$  

Poll

How comfortable are you with adding and subtracting radicals?

• I understand completely

• I am okay

• Not there yet, just need more practice

• I am still lost, when is tutoring?