Khan Academy Wiki
Compare size
Which-has-more- 256
Description
Exercise Name: Compare size
Math Missions: Early math Math Mission
Types of Problems: 1

Compare size is an exercise under the Early math Math Mission. This exercise introduces the idea of size which paves the way for the connection between numbers as name and numbers as size.

Types of Problems[]

There is one type of problem in this exercise:

  1. Tell which is bigger or smaller: Technically this problem type also has longer and shorter, but essentially it is asking the user to select which picture among two satisfies the question they are asking.
    Comsiz

    Tell which is bigger or smaller

Strategies[]

This exercise is easy to attain accuracy badges and speed badges because there are only two options and the question is very fast to read.

  1. In most cases the size distinction is exaggerated so there is no need to use a ruler or anything like that.

Real-life Applications[]

  1. Measurement is important for taking proper medicine. If one has an illness (whether serious or minor) they need to take their medicine and take it in the proper amount. If they take too little or too much then they are not going to get the proper benefit from it.
  2. The ancient Egyptians from over 4000 years ago were very good at shapes and geometry. Every time the Nile burst its banks and flooded the planes, they had to use geometry to measure their gardens and fields all over again.