Bekommst du diese alte Schulaufgabe richtig gelöst? | Mathematik, DDR

You'll find old textbook problems from the GDR in this video. Even I'm a bit unsure about the solutions. What do you think? My recommendation: Difficult Puzzles on Amazon: https://amzn.to/4oUqK4y * Math Movies on Amazon: https://amzn.to/3US9hfv * Math Comics & Humor on Amazon: https://amzn.to/4p1QmNe * Gigerenzer on Amazon: https://amzn.to/4mFZ5D8 * This is an advertising or affiliate link. If you click on this link and then make a purchase or complete a transaction, we will receive a commission. This will not incur any additional costs for you. 0:00 Short Introduction 1:15 Hotel: Single and Double Rooms 3:30 Non-Swimmers / Non-Cyclists 6:00 Snail 8 Meters 7:53 Incubator Sources: At https://mathematikalpha.de/mathematik... 1) Exercise "There are 8 rooms in a small hotel..." PDF: LB_Mathe_5_1983.pdf Title of the book: Mathematics. Textbook for Grade 5 (Volk und Wissen, 1983 edition) Page: p. 40 (Exercise 44 in the section "Solving Word Problems") 2) Exercise "Of the 34 students in a class, 14 can ride bicycles..." PDF: LB_Mathe_5_1983.pdf Title of the book: Mathematics. Textbook for Grade 5 Page: p. 11 (Exercise 23 in the chapter "Addition and Subtraction of Natural Numbers") 3) Exercise "A snail crawls up an 8 m high wall from the ground..." PDF: LB_Mathe_5_1983.pdf Title of the book: Mathematics. Textbook for Grade 5 Page: p. 43 (Exercise 27 in the section "Puzzles") 4) Exercise "Up to 500,000 chicken eggs can be incubated in an incubator..." (a–c) PDF: LB_Mathe_5_1983.pdf Title of the book: Mathematics. Textbook for Grade 5 Page: p. 42 (Exercise 24 in the section "Some Things About Chickens and Their Eggs")