Unit 1: Real Number System + Scientific Notation (8th)

Scientific Notation

100

Write in Scientific Notation

5,000

5.0 x 10³

200

Write in scientific Notation

100,000

1 x 10⁵

300

Write in Scientific Notation 

25,000

2.5 x 10⁴

400

Write in Scientific Notation 

3,600,000

3.6 x 10⁶

500

Write in Scientific Notation

58,000,000

5.8 x 10⁷

Classifying Numbers

100

Classify 7

Natural

Whole

Integer

Rational

200

Classify -3.5

Rational

300

Which number is an integer?

A. 3.5

B.-2

C. 3.14...

4. 1/4

B. -2

400

Which of the following is rational?

1/2 OR 1.414213

1/2

500

Which of the following are whole numbers:

A. 0

B. 1

C. -3

D. 2.5

A. 0

B. 1

Add/Sub Scientific Notation

100

3.2 × 10⁵+ 4.5 ×10⁵

7.7 x 10⁵

200

7.5 × 10⁴ + 4.8 × 10⁴

1.23 × 10⁵

300

6.8 × 10⁷− 2.5 × 10⁶

6.55 × 10⁷

400

2.4 × 10⁵ + 3.1× 10⁵

5.5 x 10⁵

500

3.6 × 10⁷+ 8.5 × 10⁶

4.45 × 10⁷

Perfect squares

100

Is 1 a perfect square? 

√1 = 1

YES

200

Is 81 a perfect square? 

√81 = 9

Yes,iIt is a perfect square 

300

Is 169 a perfect square? 

√169 = 13

YES

400

Is 64 a perfect sqaure? 

√64 = 8

YES

500

What is the square root?

√225 

√255 = 15

Scientific notation

100

Solve the problem of standard scientific notations 

0.000089

8.9 x 10^-5

200

Solve the problem of standard scientific notations

0.009999

9.999 x 10^-3

300

Solve the problem of standard scientific notations 

0.8

8 x 10^-1

400

Solve the problem of standard scientific notations 

0.875

8.75 x 10^-1

500

Solve the problem of standard scientific notations 

0.0008003

8.003 x 10^-4