Number Theory Teacher Resources

Practice the techniques associated with number theory. This 5-page worksheet has many different types of problems for the students to solve and is a great component for any number theory unit8.

Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...

In this word search worksheet, students locate words related to number theory. The word list includes composite number, definite, and factors.

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.

For this number theory worksheet, students complete a total of 13 problems, finding multiples, LCM and solving 1 word problem. 

In this number theory worksheet, students solve and complete 14 different problems that are related to number theory. First, they determine if a number to a particular power is the same as stating the two numbers times each other and...

in this number theory worksheet, students use the Sieve of Eratosthenes to find all primes up to the number 100. Students follow the directions to circle primes and multiples on the hundred chart.

For this number theory worksheet, learners complete a set of 22 problems covering GCD, LCM and prime factorization. Students then play a "family fun" game based on LCM. 

The basics of number theory and set notation are explained in a highly approachable way in a self-contained lesson and worksheet. Introducing the vocabulary and concepts from ground zero and building to more complex ideas of subsets and...

This modern animation and discussion of the ancient secrets of Pascal's triangle manages to be topical, engaging, and mathematically deep all at the same time. A great introduction to the power of number theory across multiple math...

In 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.

In this fractions vocabulary worksheet, learners match a set of 15 number theory and fraction vocabulary words with their definitions. Answers are included on page 2.

In this counting divisors worksheet, students examine and calculate how to make a number theory associated with divisors. Students complete a table to discover how exponents can be used to determine the number of divisors for any number.

In this algebra worksheet, students develop patterns and formulas to solve sequences. They apply the Number Theory to each problem. There is 1 question.

Number theory gets a workout in an activity that asks individuals to identify and color code the prime numbers and the composite numbers in the provided graphic.

Scholars learn how to write number theory proofs by viewing a video reviewing techniques for proofs on divisibility, parity, and consecutive integers. They then write proofs for a handful of conjectures on a worksheet.

What middle schooler does not enjoy an occasional online game? In this lesson plan play, you will find embedded links to an online probability game, and informative pages about how division is used in probability, the concept of tree...

In this mental math worksheet, students complete 6 different sections in which they use mental math to solve problems. The first 3 sections consist of 45 subtraction, division and addition problems. The next 3 sections consist of 28...

In this number theory worksheet, students study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.

This math review PowerPoint engages fifth grade students in an interactive review of math concepts. This review game includes questions on numeration, data interpretation and number theory. This is in a "Jeopardy" style format.

For this number theory worksheet, students read about The Sieve of Eratosthenes and follow a set of directions to complete a prime number activity and answer 4 related questions.

Students participate in a chain link game to improve their math skills with factors, multiples, primes, and composites. In this math game lesson, students review the math concepts for the game by writing definitions for the topics....

Young learners apply divisibility rules to determine if a number is a factor of another number. They discuss what numbers are factors of another number and identify patterns using divisibility rules.

In this math activity, students explore properties of the number line, both standard and imaginary. This thorough activity has many problems for the students to solve, and includes an answer sheet.