Math Reflection on iWork Checklist for Friday, 9/26/14
Think about your answers to these questions. Discuss your ideas with other students and/or parents. Then write a summary of findings in your notebook.
1. a. How can you decide if the sum of two numbers is positive, negative, or zero without actually actually calculating the sum?
b. How can you decide if the difference of two numbers is positive, negative, or zero without actually calculating the difference?
2. How can any difference (a-b) of two numbers be restated as an equivalent addition statement?
Think about your answers to these questions. Discuss your ideas with other students and/or parents. Then write a summary of findings in your notebook.
1. a. How can you decide if the sum of two numbers is positive, negative, or zero without actually actually calculating the sum?
b. How can you decide if the difference of two numbers is positive, negative, or zero without actually calculating the difference?
2. How can any difference (a-b) of two numbers be restated as an equivalent addition statement?