IM 8.7.4 Lesson: Dividing Powers of 10

IM 8.7.4 Lesson: Dividing Powers of 10
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2020-08-11 19:11
This interactive GeoGebra example is part of the Illustrative Mathematics Grade 8, Unit 7, Lesson 4, focusing on dividing powers of 10. It demonstrates the rule for dividing exponential expressions with the same base, where exponents are subtracted, and introduces negative exponents and scientific notation. The construction uses multiple text fields (Textfield, InputBox) and text objects (text1, text6) to create an interactive interface, allowing students to input different exponent values and observe the resulting quotient dynamically. Suitable for middle school (Grade 8) students learning exponent rules, this resource supports classroom instruction and self-paced exploration, helping learners visualize the relationship between division of powers and exponent arithmetic.

GeoGebra Commands & Parameters

  1. Textfield() → InputBox7
  2. Textfield() → InputBox8
  3. Textfield() → InputBox19
  4. Textfield(f1) → InputBox1
  5. Textfield(f2) → InputBox2
  6. Textfield(f3) → InputBox3
  7. Textfield(f4) → InputBox13
  8. Textfield(f5) → InputBox18

AI Drawing Prompt Reference

Create an interactive math diagram to demonstrate the rule for dividing powers of 10. Use InputBox7 and InputBox8 to input two exponents, InputBox19 for the base of the first exponent, InputBox1 and InputBox2 for the base of the second exponent, InputBox3 and InputBox13 for the first exponent, and InputBox18 for the second exponent. Dynamically show the result of dividing the two exponents and illustrate how to calculate the result by subtracting the exponents.
The prompt above was compiled from the original drawing commands and is for reference only.