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Interactive
Curated OER

Prime Factorizations

For Students 5th - 10th
In this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.
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Interactive
Curated OER

Prime Factorizations - Post Test

For Students 4th - 5th
In this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
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Lesson Plan
Curated OER

Mega Power Surge!

For Teachers 3rd - 6th
In this division worksheet, students write the missing numbers in the division problems where the numbers are given and the missing numbers are in a number bank. Students complete 9 problems.
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Lesson Plan
Curated OER

Introducing the Concept Prime Factors

For Teachers 5th
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
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Worksheet
Curated OER

Number Theory and Fractions Vocabulary Crossword

For Students 5th - 6th
In this math crossword, learners 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.
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Worksheet
Curated OER

Even or Odd

For Students 4th - 5th
In this even and odd worksheet, students answer 4 questions. Students analyze a three digit number and indicate if it is even or odd.
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Worksheet
Curated OER

Finding LCM

For Students 4th - 5th
In this finding LCM worksheet, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
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Worksheet
Curated OER

Leveled Problem Solving: Least Common Multiple

For Students 4th - 6th
In this least common multiple practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Least Common Multiple Practice 2

For Students 4th - 6th
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
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Worksheet
Curated OER

Least Common Multiple Practice

For Students 4th - 6th
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
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Worksheet
Curated OER

Least Common Multiple Practice 3

For Students 4th - 6th
In this least common multiples practice activity, students examine sample problems and solve 20 problems that require them to find least common multiples.
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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.
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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.
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Worksheet
Curated OER

Computations with Fractions Vocabulary Crossword

For Students 5th - 10th
In this fractions crossword, students fill in the blanks to the crossword with vocabulary words representing the computations of fractions. Students complete 17 spaces in the crossword.
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Worksheet
Curated OER

Number theory and fractions word search

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

Mathematics Within: Algebraic Processes and Its Connections to Geometry

For Teachers 5th
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row....
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Worksheet
Curated OER

Finding LCM

For Students 4th - 5th
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
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Interactive
Quia

Ixl Learning: Divisibility Rules With Numbers Up to 10,000

For Students 3rd - 5th
Practice divisibility rules with numbers up to 10,000.
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Activity
Math Is Fun

Math Is Fun: Divisibility Rules

For Students 3rd - 8th
A chart that overviews divisibility rules for numbers divisible by numbers 2 through 12. Simple rules accompanied by examples.
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Interactive
Quia

Ixl Learning: Divisibility Rules With Dividend Up to 10,000,000

For Students 5th - 7th
Divisibility rules practice with numbers up to 10,000,000.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Beat the Calculator: Adding Even Numbers

For Students 4th - 6th Standards
Can you beat the calculator? Your task is to find the sum of all even numbers between two and any selected two-digit even number. If you can find the number pattern, you are sure to beat the calculator every time. Links to other "Beat...
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Activity
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Division

For Students 3rd - 8th
This Math Page tutorial explains and defines the concept of division. There is a practice section at the end of the lesson.
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Activity
The Math League

The Math League: Whole Numbers & Basic Properties

For Students 3rd - 8th Standards
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
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Unit Plan
Homeschool Math

Homeschool Math: Prime Factorization of Three Digit Numbers

For Teachers 5th
This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.