Sad Man and Bad Man both illustrate that calculating the fraction of a whole number is the same as dividing by the denominator. Bad Man then challenges Amber and Ashley to match fractions with their equivalent divisions, and they complete the challenge successfully.
Ben helps the patrons of his shop calculate the price of the clothes they want to purchase, including discounts. He performs all of the calculations in his head.
High school teacher Mr. Jaime Escalante teaches his students about negative and positive numbers. He uses a real-world example of digging into sand at the beach to help students understand the concept.
The CyberSquad needs to balance the scale using two weights in order to access the machine that will save Sensible Flats from disaster. After some time, they figure out the two equal weights to use and save Sensible Flats just in time.
Inez and Digit need to balance the scale with four numbers and gain access to the machine in order to save the bunnies from the dangerous cyberstatic. They balance five numbers with ease but realize they can balance only four numbers. They learn that removing the same weight from each side does not affect the balance of the scale.
Finch, as a substitute teacher, draws a circle on the board along with the symbol, Pi, and asks the class what it means. When a student asks what Pi is good for and when one would use it, he gives a compelling answer.
What is the "best" number? There's only one according to Sheldon! In this clip, Sheldon explains what the best number is and why it is the best number.
Shari burned an important batch of magic crumpets and needs to make a new batch of 8. However, her recipe will only make 4 crumpets. Matt helps her determine the quantity of each ingredient she needs to use in order to make 8 batches.
The CyberSquad tests if its contraption serves as a raft. While it floats, it contains holes, and Digit gets attacked by piranhas through the holes. The group determines it needs to build a raft with no holes and no overlap. Together, they combine square pieces that they find on the floor to make a big raft. Inez explains that they've created a tessellation, and she defines the meaning of the word.