Elementary Mathematics 4/5

Integers

Adding/Subtracting

Number Line

Integer Tiles

Abbreviated Integer tiles for large numbers

Create "Zero bank" if necessary

Muliplying

Integer tiles (Chip model)

Create "zero bank" if necessary

Multiplying Binomials

NO four letter "F" word!

Area Model

Prime or Composite?

1. Test all Divisibility Rules

2. Try all primes up to closest root

Absolute Value

Distance a digit is from Zero