Learning Series Book
SumBlox Building Blocks teach a wide range of mathematics through guided, handson discovery in our SumBlox Learning Activities.Teachers' guides are currently available to assist in teaching addition, subtraction, multiplication, and fractions. Each series empowers the educator to gradually move students to a deeper understanding of the properties of math through stepbystep investigations, engaging discussions and fun challenges.
Instructions

Teacher: Now I am going to build the Factor Wall of 12.
Make the following incomplete Factor Wall of 12. The goal is to have your students find the missing stack.
Teacher: With a partner, I want you to prove that this is or is not the correct factor wall of 12.
Allow discussiontime. If you want to build an identical, incorrect factor wall so that there are two for the students to use, build it on the other side of the table.
Teacher: Is this SumBlox Factor Wall of 12 correct? Explain your reasoning.
Student: No, it is missing a stack. We matched up the stacks with matching factors and found that the stack of four 3blocks did not have another stack that used the same factors. The equation for the four 3blocks is 4 x 3 = 12. Using the commutative property, we know that we can switch the factors to get 3 x 4 = 12, which would be three 4blocks. So we added a stack of three 4blocks to complete the SumBlox Factor Wall of 12.
Have students correct the SumBlox Factor Wall(s) of 12 and then write the equations and factor list. Equations: 1 x 12 = 12, 2 x 6 = 12, 3 x 4 = 12, 4 x 3 = 12, 6 x 2 = 12, 12 x 1 = 12. Factor list: 1, 2, 3, 4, 6, 12.
Teacher: We are now going to have a SumBlox Factor Wall Challenge to practice finding the different factors and equations of different whole numbers.
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