In this video, Ben Mahi introduces Yami Chess, a math learning aid, and teaches how to collect and represent data using tallying and bar graphs. The lesson includes examples of a football game and Girl Scout cookie sales to illustrate these concepts. Students are encouraged to solve problems using these methods, enhancing their understanding of data collection and visualization.

What is the primary purpose of tallying in data collection?

• To predict future trends

• To compare different data sets

• To count and organize data efficiently

• To create a visual representation of data

How is the number five represented in tallying?

• Four vertical lines with a diagonal line crossing them

• Five vertical lines

• A circle around four lines

• A star symbol

In the football game example, how many points did Team A score in the first quarter?

• 6 points

• 5 points

• 4 points

• 3 points

Which team scored more points in the second quarter of the football game?

• Both teams scored equally

• Team B

• Team A

• Neither team scored

What is a bar graph primarily used for?

• To calculate averages

• To predict future data trends

• To visually compare quantities

• To list data in a table

Which Girl Scout group sold the most cookies according to the bar graph?

• Sunflowers

• Buttercups

• Daisies

• Peanuts

How can you tell which bar represents the largest quantity in a bar graph?

• The bar with the most labels

• The bar with the widest width

• The bar with the tallest height

• The bar with the most colors

Which team scored the most points in the fourth quarter of the football game?

• Both teams scored equally

• Team A

• Neither team scored

• Team B

What was the final score of the football game?

• Team A: 34, Team B: 37

• Team A: 37, Team B: 34

• Team A: 30, Team B: 40

• Team A: 40, Team B: 30

Which Girl Scout group sold the least amount of cookies?

• Daisies

• Peanuts

• Sunflowers

• Buttercups