Grades 7-8 Video Solutions 2019-Grades 7-8 Video Solutions 2019

Video Transcription

Video Summary

The video demonstrates solutions to math problems from the 2019 Math Kangaroo competition for Levels 7 and 8, with explanations by Lucas Neliskowski. It covers a variety of questions such as identifying even numbers within groups, calculating time conversions, solving geometric puzzles, and addressing logic problems. For example, a question asked which cloud contained four even numbers. It was solved by identifying Cloud E, having numbers 10, 2, 34, and 58. Another problem determined the height a candle burnt at a 3-hour mark based on its burn duration of 6 hours. Mathematical concepts like percentages, geometric properties, and numerical sequences are thoroughly discussed. Various problem-solving methods, from simple calculations to strategic analysis, are shown to help students understand and solve problems efficiently, developing their mathematical reasoning and skills. For instance, understanding ratios between items or figuring out areas of shaded geometric regions are important skills showcased in the solutions. Overall, the video is a resource for honing problem-solving techniques relevant to math competitions.

Keywords

Math Kangaroo 2019

Lucas Neliskowski

geometric puzzles

time conversions

problem-solving techniques

mathematical reasoning

numerical sequences

competitive math