# Basis Math Concept for determining when to start coding

** If your child doesn't have the following concept, please wait until he/she has the concept.**

When he/she who doesn't have basic math concept, they might lose the interest of Coding.

**Check if he/she has "Variable Concept"**

ex) num1=10, num2=20

sum=num1+num2 , product=num1*num2

What is sum? What is product?

**Check if he/she has "Range Concept"**

ex) num=10,11,12,13,14,15

what is range of the variable "num"?

**Check if he/she has "Comparison Concept"**

ex) num1>num2

which variable is bigger?

which variable is smaller?

**Tell what is even numbers from 1 to 10**

**Tell what is odd numbers from 1 to 10**

**num=12**

**What is factors of the variable "num"? **

**num1=4, num2=10**

**What is GCF? What is LCM?**

**num1=4, num2=10**

**What is GCF? What is LCM?**

**What is square? What is cube?**

**num=5**

**Is the variable "num" prime? Why?**

**Tell prime numbers from 1to 10**

**How to calcuate average using variable "total"?**

ex) english=90, math=95, history=85

What is total? What is average?

**candy=200**

**Calculate 60% of the variable "candy"**

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