Warm-up Activity
For Discussion 2B, my warm-up is similar to these Diamond Problems.
The worksheet is close of a warm-up activity I normally do. I usually do not give out a worksheet, I just make up my own numbers depending on what I want the students to work on for the upcoming lesson. I then write the diamond problems on the board and have the students copy them into their workbook. I start with numbers on either side and tell the students to write their product on top and their sum on bottom. After they practice that, I give them the inverse, ask them to find the two numbers that yield a given product and sum.
This warm-up activates prior knowledge because students will need to be able to add and multiply integers in order to factor, but they are not being asked to factor yet. I am simply making sure that students can determine the numbers that they will soon use in a factorization. Since it is pretty easy for students at the 10th grade level, it builds their confidence and gets them interested in the upcoming lesson.
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