Students use the calculator to improve their number sense, analysis, and reasoning. They find numbers, given their product.
Before the Activity
Review the rules for divisibility
See the attached PDF file for detailed instructions for this activity
Print pages 6 - 10 from the attached PDF file for your class
During the Activity
Distribute the pages to the class.Ask students to find any six numbers between 10 and 20 and determine their product
Enter the product on the calculator and using the divisibility rules on the transparency, divide the number, and record the factors
Use the factors and mathematical reasoning to find the six numbers
Repeat the activity with other six numbers
Follow the activity procedures:
After the Activity
Students complete the Student Activity pages.
Review student results
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary