Primed and Ready!

Children determine if the 45 numbers listed are prime numbers or composite numbers. They check off their answers. A very good resource!

Remembering which numbers are prime can be a snap if you have a graphic to help you out. As this printable 8x11 image will tell you, a prime is a number which can only be divided by one and itself. Number 1-100 are enclosed in pretty...

Elementary schoolers read and solve six mathematical word problems involving prime and composite numbers. Very good practice and a very good worksheet.

Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...

A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.

Elementary schoolers determine the attributes of prime and composite numbers. Pupils, working in pairs, participate in an activity in which they use manipulatives to show the rectangles that can be made from square tiles. They practice...

Learners create a factor tree for four composite numbers. They write each factor tree in the space provided on the worksheet.

Demonstrate a method for finding the prime factorization of numbers using factor trees and a video that explains how to break a number down to its prime factors. The instructor reinforces the concept of factors by displaying the number...

Prime or composite, that is the question. Teach your class how to find the answer with this step-by-step presentation that defines and provides examples of each type of number. When addressing larger numbers, divisibility rules are...

Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...