Magic of Algebra
Learners walk through a mathematical equation designed to show them how they can all arrive at the same number though they began with a different base. They write the equation for this problem.
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Magic Squares, Simultaneous Equations, Hill Walking, and Diophantine Equations
In this solving equations instructional activity, 9th graders solve and complete 21 various types of problems. First, they use the method shown to find the value of xin each equation. Then, students use an algebraic approach to solve the...
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
10th - 12th Math CCSS: Designed