Young scholars measure different clothing from different countries. They explore how sizes are different between companies and countries
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Using Dice to Introduce Sampling Distributions
Investigate the meaning of a sample proportion using this hands-on activity. Scholars collect data and realize that the larger the sample size the more closely the data resembles a normal distribution. They compare the sample proportion...
9th - 12th Math CCSS: Designed
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
6th - 10th Math CCSS: Designed
Fill It Up, Please - Part I (Option B)
Childhood's fond memories of beachy days building sandcastles get the algebraic treatment in this rate-of-change investigation and problem set. Learners model filling rectangular prisms with sand, then discuss the meaning and effect of...
9th - 10th Math CCSS: Designed
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
Calculate Sample Size Interval of a Population Mean
When does .2 round up rather than down? The example in a statistics video changes the rules about rounding. The video walks through how to solve for sample size when you are given the error, z score, and standard deviation. It...
4 mins 10th - 12th Math CCSS: Adaptable