Worksheet
Curated OER

Number Theory and Fractions Vocabulary

For Students 4th - 6th
In this fractions vocabulary worksheet, students match a set of 15 number theory and fraction vocabulary words with their definitions. Answers are included on page 2.
Worksheet
Curated OER

Number Theory and Fractions Vocabulary Crossword

For Students 5th - 6th
For this math crossword, students use a set of clues and 15 words about number theory and fractions to complete a crossword puzzle. A reference web site is given for additional activities.
Worksheet
Curated OER

Number theory and fractions word search

For Students 4th - 6th
For this number theory and fractions worksheet, students search for words representing number theory and fractions in a word search. Students search for 15 words.
Lesson Plan
Curated OER

Divisibility Rules

For Teachers 8th
Eighth graders explore Excel and discover rules of divisibility for the numbers 2, 3, 4, 5, 6, 9, and 10; students examine multiples of 2 using pencil/ paper, then create a chart in Excel that will allow them to more easily see patterns...
Worksheet
Curated OER

Factors Game

For Students 6th - 8th
In this factors game worksheet, teams of middle schoolers identify factors.  They find proper factors of a given number  This one-page worksheet cotnains approximately 40 problems.
Worksheet
Curated OER

Greatest Common Factor #2

For Students 4th - 5th
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Printables
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Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 4)

For Students 4th
Looking for a set of math vocabulary cards for fourth graders? A 14-page packet of vocabulary words includes topics related to multiplication, division, and factor types. Each sheet has two cards on it: the top half has the word in...
Lesson Plan
Beacon Learning Center

Ten Pins

For Teachers 3rd - 5th Standards
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...
Lesson Plan
Curated OER

Super Factors

For Teachers 5th - 8th
Students complete activity pages. In this factors activity, students practice finding the factors of numbers. They discuss prime factors and prime factorization and learn how to complete a factor tree.
Lesson Plan
Curated OER

Investigation - Design Your Own Spinner

For Teachers 7th
Seventh graders use ideas of uncertainty to illustrate that mathematics involves more than exactness when dealing with every day situations. The main standard of this lesson plan is statistics and probability.
Lesson Plan
Curated OER

Searching The Word

For Teachers 5th
Fifth graders review EOG math terms and definitions found in their math notebooks, and pick between 15 and 20 words to put in a word search.
Lesson Plan
Curated OER

What are the Chances: A Game of Chance!

For Teachers 6th
Sixth graders experiment with dice, playing cards, pennies and computer-generated simulations to calculate probability. They use compiled data to make predictions.
Unit Plan
Curated OER

Poetic Justice: A Study of Poe's Famous Works

For Teachers 8th
Students explore Edgar Allan Poe's most famous short stories. In this Edgar Allan Poe lesson, students complete a 25 page packet of activities where they recognize the features of genres and literary devices Poe uses. Students read "The...
Lesson Plan
Curated OER

Factoring

For Teachers 9th
Ninth graders factor equations and find prime numbers. In this algebra lesson, 9th graders find the factors and prime factors of a number using multiples and relatively prime numbers.
Worksheet
Curated OER

Number Theory: The Sieve of Eratosthenes

For Students 4th - 6th
In this number theory worksheet, learners read about The Sieve of Eratosthenes and follow a set of directions to complete a prime number activity and answer 4 related questions.
Lesson Plan
Curated OER

Discovering New Units

For Teachers 4th - 6th
Learners use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Lesson Plan
Curated OER

The Language of Mathematics

For Teachers 4th - 6th
Students integrate the language, concepts and skills of math into the daily routine and classroom environment. They think mathematically by participating in short, daily, individual, small group, whole group and transitional activities...
Lesson Plan
Curated OER

Belongs, Doesn't Belong

For Teachers 5th
Fifth graders discover the rule used to sort a set of data into two sets, those data that belong according to the rule and those data that don't belong. Students participate in a game to determine the rule. They discuss strategies for...
Worksheet
Curated OER

Division word problems

For Students 5th - 8th
In this division worksheet, students complete division word problems. Students complete 10 multiplication problems that pertain to the concept of division.
Lesson Plan
Curated OER

Mathematical Properties for Addition

For Teachers 5th - 6th
For this math worksheet, students read about and learn the properties of addition. Students study the commutative, associative, identity and inverse properties. There are no problems on this page for students to solve.
Lesson Planet Article
Curated OER

Playing the Vocabulary Game

For Teachers 3rd - 6th
This wonderful game is a terrific way to reinforce important vocabulary words across the curriculum
Worksheet
Curated OER

Find Factors of a Number

For Students 4th - 7th
In this finding factors practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Lesson Plan
Curated OER

Number Sense

For Teachers 8th
Eighth graders participate in a lesson that is concerned with reviewing basic math concepts using the four operations. The activity is composed of a math game that is played by them.
Unit Plan
Khan Academy

Khan Academy: Prime and Composite Numbers Intro

For Students 4th Standards
Discusses factors, prime and composite numbers, and why the number 1 is not prime or composite. Includes practice problems throughout, along with explanations of solutions.