Basic Math Reference Sheet

2+ results

Basic Facts: Recommended Order List

Created by

This is the recommended order that the basic addition and subtraction facts should be taught. I have PowerPoints that teach each set of these basic facts conceptually. You control animations with clicks of the mouse. These Powerpoints build mental pictures of the facts by using ten frames and number lines. They provide immediate feedback to your students because you control when the answer is shown...right after they give their answer.

1st - 5th

Basic Operations, Math

How to find prime and composite numbers up to 100

Created by

Scot Henry

The fundamental theorem of arithmetic states that any number can be factored to a set of primes. Using prime numbers up to the square root of a number can be used to determine if a number is prime or composite. The square root of 100 is 10. SO using the prime numbers 2,3,5, and 7, a student can determine if a number is prime or composite. After this exercise the students are ready to use 2,3,5, and 7 for a variety of other math operations. e.g., reducing fractions to lowest terms and knowing

5th - 7th

Basic Operations, Math

CCSS

4.OA.B.4