Sal works through several problems involving rational and irrational numbers, and shows how to find the difference. This video is a good stepping stone for those who are preparing to take on more challenging algebra work.

Middle and high schoolers solve 20 short answer and multiple choice problems. They simplify exponential expressions, find the GCF of two integers, find the prime factorization of an integer, solve equations and inequalities, etc.

Clarify prime numbers, composite numbers, and prime factorization with this instructional activity. After looking over definitions, working through prime numbers, and making composite numbers, learners are introduced to prime...

SAT test-takers get to review median numbers, perimeters, right angles, slopes, and prime factorization in this video, which focuses on problems 13-16. Sal's even pace and methodical problem solving will bolster the confidence of even...

Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...

Introduce your class to cube roots! You can show them this video, in which an instructor demonstrates how to find the cube root of a perfect cube. While this video is clear and well-made, it is appropriate only for more advanced learners...

Factoring is an important math skill, and it's often quite confusing for youngsters. This presentation does a good job of showing the basic skills and vocabulary needed to begin to understand this important process. Prime numbers,...

A teacher describes how to find the prime factors of 525. She starts by describing how to use a factor tree to describe the factors of a number. Next, she uses increasingly difficult examples to illustrate this concept.

A terrific worksheet on mixed numbers, factoring, and fractions is here for you. Learners identify the 12 given numbers as prime or composite and write the prime factorization for eight given numbers. They also simplify six fractions and...

Sal explains that the greatest common factor of any number is the largest number divisible into both monomials and not necessarily the number with greatest value. He breaks down two numbers into their prime factors as a product of its...

Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...

Multiple choice and problem solving review for unit rate, irrational numbers, factorization, GCF, circle circumference, probability, solving and graphing linear equations. This is quite an assortment of topics for review, most likely...

Use this pre-algebra review worksheet to have learners answer twenty-one multiple choice and free-response problems covering: Scientific Notation, radicals, irrational numbers, prime factorization, GCF, and laws of exponents problems.

Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...

A great resource for any math teacher covering multiples, factors or square roots; this instructional activity walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which...

Middle schoolers solve 10 short answer problems. They find the height of a tree using the Pythagorean theorem, find the LCM of two integers, identify irrational numbers, find the surface area of a cylinder, etc.

Use prime factorization to find the greatest common factor of three given values. Okay. But what if there doesn't seem to be any integer that is common in all three given values? Well, then, the greatest common factor must be 1. Not sure...

Learners examine and discuss prime numbers, composite numbers, and prime factorization. They develop and create a factor tree mobile using exponents.

Have your class read and write large numbers, factor, and solve decimal, fraction, and inequality problems with this worksheet. In this activity, pupils complete 5 math problems. This worksheet could be used as a practice activity, a...

In this recognizing prime numbers and factors instructional activity, students read one-digit and two-digit numerals and list their prime factors. Students solve 20 problems.

In this algebra review worksheet, students solve 23 short answer and multiple choice problems. Students find the GCF of two integers, prime factorization, multiplicative inverse, solving ratios, solving inequalities, etc.

Provide your remedial math students 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....

Finding a common denominator is as easy as multiplying all the denominators together. But often, the resulting number is quite large and that's not fun. So try to find the least common denominator. How? Factoring! Check out this video...

Problem 15 on the practice SAT (page 657) prompts students to solve a word problem using a number of given constraints. Additional problems involve finding the radius of a circle (given the radius of a smaller circle) and prime...