The concept of an algorithm and its properties
Answers are for parents and teachers.
1
Write an algorithm for sending an SMS from a phone to a relative in 5–6 exact instructions.
For example: 1) open the messages app; 2) tap new message; 3) choose the contact; 4) type the text; 5) tap send.
2
A robot is in the bottom-left cell, the battery is 3 cells right and 1 cell up. Instructions: {right; up; down}. Write two different algorithms.
Right, right, right, up. Or: up, right, right, right.
3
Find the greatest common divisor of 84 and 36 by subtraction.
12
4
Rewrite “put the book in a convenient place” more exactly and say which property it is for.
For example: “put the book in the side pocket of the bag”. This is for the property of definiteness.