Webinars SET B - Grade 7-8 - Sunday@3:15-4:15pm EST-Recording Webinar 1

Video Transcription

Video Summary

The video features a math instructor introducing the Math Kangaroo competition for students in grades 7 and 8. The contest includes 30 questions to be solved in 75 minutes, categorized by difficulty and points awarded (easy: 3 points, medium: 4, hard: 5). The instructor emphasizes the importance of a four-step problem-solving strategy: carefully reading and understanding word problems, planning solutions (such as drawing diagrams), carrying out calculations meticulously, and reviewing answers for reasonableness.<br /><br />Several example problems are discussed interactively with students in the chat: <br /><br />1. A pearl necklace weight problem illustrating using sums and differences to find missing values.<br />2. A digit manipulation riddle involving moving the ones digit to the front and comparing numbers.<br />3. A historical math puzzle about August de Morgan’s age, using squares of numbers.<br />4. A bicycle speed and time problem related to rates and proportional reasoning.<br />5. A soccer team average age problem to find an injured player's age.<br />6. Finding unknown triangle angles from given ones using angle sum rules and vertical angles.<br />7. Counting how many parts four chords can divide a circle into.<br /><br />The instructor encourages participation, suggests nicknames for a fun competitive atmosphere, and stresses learning new concepts gradually. The session closes with well wishes for the weekend and invitation to continue practicing.

Keywords

Math Kangaroo

grades 7 and 8

problem-solving strategy

word problems

difficulty levels

points system

interactive examples

geometry problems

competition preparation