Fish Derby

Students have to calculate the optimal number of bass and carp that a pond can support. They determine and graph information about feeding and breeding areas and solve an algebraic equation to get optimal numbers.

Fitting Lines to Data

For a given set of data points, the line that minimizes the sum of the squared errors is the least squares line. Find the least squares line that best represents the height and foot length of 17 people in a scatter plot.

Five Noodle Summary

The Five-Number Summary divides ordered numeric data into four groups with each group having the same number of data values. You will create a five-noodle summary for two different sets of noodles.

5-Question Survey: Chemical Change

Find out your or your students' basic knowledge of concepts like matter, molecules and open and closed systems. Afterwards you can see how others answered the questions.

5-Question Survey: Density and Pressure

Find out your or your students' understanding of density and pressure. Afterwards you can see how others answered the questions.

5-Question Survey: Heat and Temperature

Find out your or your students' understanding of heat and temperature. Afterwards you can see how others answered the questions.

5-Question Survey: Reviewing the Previous Sessions

Find out your or your students' understanding of matter. Afterwards you can see how others answered the questions.

5-Question Survey: Rising and Sinking

Find out your or your students' understanding of fluid displacement. Afterwards you can see how others answered the questions.

Find out your or your students' understanding of astronomy. Afterwards you can see how others answered the questions.

Focus on Coaching: Music Ensemble

Observe a music teacher coaching a small ensemble rehearsal and decide whether and how the teacher provides appropriate coaching to the students.

Focus On: Critiquing Student Work

Watch two teacher critiques followed by two student critiques. Determine whether students are learning the elements of effective critique from their teachers.

Focus On: Culturally Responsive Teaching

Identify the ways a teacher demonstrates sensitivity to the cultural, linguistic, and economic backgrounds of the students he is teaching.

4-Question Survey: Matter

Find out your or your students' understanding of matter. Afterwards you can see how others answered the questions.

Frequency Bar Graphs

Line plots are good for small amounts of data while frequency bar graphs are better for large amounts. Observe how to transition from line plot to frequency bar graph.

From Corner to Corner

Measure the lengths and diagonals of three squares with a ruler. Look over your measurements and try to come up with a rule of thumb for estimating the length of a diagonal if you know the length of a side.

Frosted Cube-Cake

Imagine a cake shaped like a cube that is frosted on all six sides and will be cut into smaller cube-shaped pieces. Make predictions about the number of pieces and the amount of frosting on each piece of cake using the table to check your predictions.

Fun House Mirrors

Explore the effect of concave and convex mirrors. Combine concave and convex mirrors to design a fun house mirror that will create the distorted pictures of Melissa and Sam.

Galton Board

Use the Galton board to validate the Law of Large Numbers. Compare experimental and theoretical results to illustrate the Central Limit Theorem.

Read and listen to stories with some words left blank. Fill in the blank words, check your score and get correct spelling for the words you missed.

Genetic Engineering: Translating an mRNA Sequence

Translate an mRNA sequence into an amino acid chain using a codon chart. Then match each codon with the correct amino acid.