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Understanding Scientific Notation: Algebra 1 Lesson

Engage students with interactive activities to master representing numbers in scientific notation and applying it to real-life situations. Clicker questions and examples included.

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Understanding Scientific Notation: Algebra 1 Lesson

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  1. Lesson objectives v 1.1 Scientific Notation Joanne Parkhouse Add NETs Standard(s) Add Cherry Creek's GVC standard(s) and benchmark(s): Add your standard(s), benchmark(s) here: Algebra 1: Demonstrate understanding of and fluency in using properties to transform equations and expressions involving linear equations, algebraic expressions, radical expressions and polynomials including addition, subtraction, multiplication, and division by a monomial. NETs: 1. Creativity and Innovation 6. Technology Operations and Concepts Add your objectives (teaching targets) here: Students will be able to: Represent numbers in scientific notation Apply scientific notation to real life situations Teacher notes

  2. Lesson objectives Subject: Topic: Grade(s): Algebra 1 Scientific Notation & Exponent Properties 8-12 Lesson Notes: Learning Activities: Students will interact with the SmartBoard by coming to Board to reveal objectives and answers, as well as by categorizing numbers using the vortex tool. Notes and examples in writing in scientific notation and applications of scientific notation will be provided via the SmartBoard as well. On pages with several examples, two will be introduced by the teacher and the rest will be solved with a "think, pair, share" model. Finally, there are clicker questions scattered throughout the lesson to allow for instant progress monitoring. Assessment: Students will be able to understand and apply scientific notation. I will know via class discussion, activities, and clicker responses. Additional Resources needed: Algebra 1 text, scientific calculators Teacher notes

  3. Scientific Notation (Section 8.4) Date:

  4. Represent numbers in scientific notation Apply scientific notation to real life situations Pull Pull Objectives Students will be able to:

  5. Examples: 4.2 × 105 9.4562 × 10-11 Pull Pull Scientific Notation:

  6. click click click click Write in decimal form. click

  7. 35,000 Positive exponent means a large number (move decimal to right). Pull Pull Clicker Question Write 3.5 × 104 in decimal form. 1 Answer?

  8. click click click click click Write in scientific notation. click

  9. 7.84 × 10-4 Small number means negative exponent (move decimal to right). Pull Pull Clicker Question Write 0.000784in scientific notation. A 0.784 × 10-3 B 7.84 × 10-4 C 7.84 × 104 D 78.4 × 10-4 2 Answer?

  10. Regroup: (1.2×4.0)(1015×10-3) Multiply (using properties) 4.8 × 1012 Pull Pull Scientific Notation: Simplify: (1.2×1015)(4.0×10-3)

  11. Rewrite in Scientific Notation. 5 × 109⋅ 4.567 × 107 Keystrokes: 5 EE 9 × 4.567 EE 7 Pull Pull Scientific Notation: Use a calculator: 5,000,000,000 ⋅ 45,670,000

  12. Rewrite in Scientific Notation. 7.6 × 10-8⋅ 6.43 × 10-5 = 4.8868 × 10-12 Pull Pull Clicker Question Use a calculator: 0.000000076 ⋅ 0.0000643 3 Answer?

  13. 2.7 × 107 5.9 × 1012 = 4.576 × 10-6 Pull Pull 4.576 × 10-6 = 0.000004576 0.0004576% Scientific Notation Example: In 1998, the population of the world was about 5.9 billion. In the same year, the population of the US was 2.7 × 107. What percent of the world population was the US population?

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