Curated OER
Prime Factorization - Practice 7-2
Finding the prime factors of two numbers is the focus of this math learning exercise. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
Scholastic
Study Jams! Prime & Composite Numbers
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...
Curated OER
Math in English Skills X Exercise Book
Provide your remedial math learners with a handy packet that will help them practice prime factorization, exponents and roots, and multiplication and division of fractions. The packet includes 20 pages, bright images, and answer keys....
Helping with Math
Prime Factorization with Factor Trees (2 of 2)
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
Curated OER
Factors of Numbers from 1 to 30
Finding factors is an integral skill on the road to fractions and algebra. Scholars write down a factor list for nine numbers up to 30. Next, they examine provided lists and circle the numbers that are factors of eight more numbers, also...
Curated OER
Prime and Composite Number Mini Lab
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...
Curated OER
Factors
Factoring numbers helps prepare scholars for fractions and algebra, so build confidence by drilling this skill and promoting reflection in the process. Scholars start by listing factors for 18 numbers, none of which exceed 30. Next, they...
Third Rail Games
Factor Samurai
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...
Curated OER
Factor Cards
Students are introduced to the concept of factorization. Individually, they are given seven cards and turn over one card at a time. They take the card and place it on top of the pile and identify the common factor with the one they are...
Curated OER
Cross Out
In this number grid worksheet, 3rd graders look over a number grid, cross out the numbers in 5 directives, fill in the blank to one question and then double check their answers. Students make their own original cross out grid.
Curated OER
Factors
Practice factoring numbers by using graph paper, manipulatives and computer applets.
Curated OER
Missing Numbers - Multiplication Virtual Worksheet
For this multiplication worksheet, students complete 72 vertical problems in which they find the second factor using the product and one factor. They can complete the worksheets online or print them out.
Curated OER
Split a Factor
Take the mystery out of multiplicaton with worksheets like this one. Learners find a mental math strategy for more difficult equations by splitting a factor, multiplying out the terms, and adding the products. An example explains this...
Curated OER
Greatest Common Factor
These multiples share a few factors, but which one is the greatest? Scholars list the factors for various number pairs, first just indicating common factors. Next, they do the same but write down the greatest common factor. Finally,...
PHET
Area Model Algebra
Expand the pupils knowledge of using area models to algebra. The interactive allows learners to use the same procedure of getting partial products when multiplying multi-digit numbers to multiplying polynomials. Scholars see how the...
Center for Mathematics and Technology
Whole Numbers: Using an Area Model to Explain Multiplication
There are many ways to work through a multiplication problem. Using an area model, kids complete several worksheets with different types of multiplication problems, including multiplying by ten, and explain how the new strategies differ...
Curated OER
Greatest Common Factor
Given 10 number pairs, learners find the greatest common factor for each. For several, one of the numbers is the greatest common factor, and for others mathematicians will need to think a little harder. There space for learners to show...
Math Mammoth
Factors
In this math activity, 3rd graders focus on determining missing factors. Students complete 34 problems representing factors of whole numbers.
Curated OER
Find the Factors
For this factors worksheet, 3rd graders look over a factor box with numbers inside it and then choose two pairs of factors inside the box to complete 6 multiplication problems.
Curated OER
Math Games for Skills and Concepts
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.
Curated OER
Factor Trees
Students practice factor trees. They use Paint in Microsoft Word to create factor trees. After completion, they use a calculator to check their answers. In addition, they visit websites to reinforce the information.
Curated OER
Factors
In this factors learning exercise, students use their multiplication skills as they examine 10 one and two-digit numbers in order to list all of their factors.
Curated OER
Factors Worksheet
In this listing factors learning exercise, students examine 30 math problems that require them to list the factors of 1-digit and 2-digit numbers.