Math

Irrational Numbers

100

Is Pi an irrational number?

Yes

200

What is the square root of 2? Is it an irrational number?

Answer: 1.414213562

Yes, it is irrational

300

Is the square root of 16 irrational?

Answer: 4

No it is not irrational.

400

Is the square root of 15 irrational?

Answer: Yes

Square root: 3.872983346

500

Is the square root of 100 irrational?

Answer: No

Square root: 10

Exponents

100

10²

100

200

6³

216

300

9²

81

400

5³

125

500

10³

1000

Scientific Notation

100

5 x 10² =

500

200

4 x 10⁴ =

40,000

300

What is 287,000,000 written in scientific notation?

2.87 x 10⁸

400

5.658 x 10^-4

0.0005658

500

What is 476,200,000 as a scientific notation?

4.762 x 10⁸

Equations

100

2x+5=10

x=2.5

200

8x+6=82

x=9.5

300

5x-10=90

x=20

400

3x+5=20

x=5

500

6x-4=56

x=10

Square Roots

100

Square root of 9?

3

200

Square root of 36?

6

300

Square root of 25?

5

400

Square root of 64?

8

500

Square root of 225?

15