This is a refresher that discusses prime numbers and their role in the factorization of any positive integer. Knowing this topic thoroughly will make it easy to teach the concept of least common multiple, referred to in the context of fractions as least common denominator (LCD). It is the inabilit
Printable 18.00 x 6.00 in.
Numbers 0-10: includes Touch Point Counting & Number Sign Language
Alphabets A-Z: includes Alphabet Sign Language
Right & Left Hand signs
Space for name to be written
**Best with thick laminate.**
We all "know" that the product of two negative numbers is positive. But WHY is it true? In this short note, the first in the new I Need to Know...Now! series from Just-In-Time Math, you will learn how easy it is, and that using basic axioms is not scary.