Prerequisites

- Whole numbers
- Ways of writing whole numbers
- Place value
- Place value chart
- Reading and writing whole numbers
- Adding whole numbers
- Subtracting whole numbers
- Multiplying whole numbers
- Lattice method for multiplication
- Multiply using partial quotients
- Russian peasant multiplication
- Duplication algorithm for multiplication
- Dividing whole numbers
- Divide using repeated subtraction
- Divide using partial quotients
- Estimate quotients using multiples
- Use counters to find the quotient and remainder
- How to interpret the remainder
- Finding the average
- Weighted mean
- Harmonic mean
- Even and odd numbers

- Introduction to number property
- Commutative property
- Commutative property in real life
- Associative property
- Distributive property
- Properties of zero
- Identity property of multiplication
- Summary of the properties of real real numbers
- Properties of equality
- Properties of inequality
- Density property
- How to find the inverse of a number

Ancient numeration system

Interesting topic for students in elementary school and middle school. How did people write numbers in the past?

Basic math formulas

A list of important formulas that you need to know in pre-algebra

**Goal:**

- Learn to add, subtract, multiply and divide whole numbers, decimals, fractions.

- Learn about proportion and percents

- Round and estimate numbers

- Explore metric and customary units

- Learn the GCF and the LCM

- Learn some basic concepts in set theory

- And more!