Mathigon
Mathigon: Math Foundations: Divisibility and Primes: Divisibility Rules
There are a few different rules that can make it easy to check if a number is divisible by another. In this lesson you will learn some of them such as,any number that ends in 0, 2, 4, 6, or 8 is divisible by 2, divisibility by 5 we...
Math Is Fun
Math Is Fun: Mathopolis: Practice Prime Factorization
A set of six multiple-choice questions practicing prime factorization. A help page is available for further study.
University of Cambridge
University of Cambridge: Nrich: Making Sticks
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Block Four
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: What's Left?
On this one page website sharpen your logic and factor recognition skills while working on this challenge. The solution is available to double check your solution.
Paul Dawkins
Paul's Online Notes: Algebra: Zeroes/roots of Polynomials
Learn about the root or zero of a polynomial with this reference guide. Includes definitions, step-by-step instructions on how to find all the zeroes for a given polynomial, and multiple examples. Also included is a description of The...
PBS
Pbs Learning Media: Harry the Substitute Teacher
Harry and his students look at various arrangements of classroom desks in this video from Cyberchase.
Khan Academy
Khan Academy: Math Patterns 2
Generate terms in a pattern when given a rule. Identify features of a pattern that are not explicit to the rule itself. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Expansion Learning
Expansion Learning: Math Activity: Multiply by 100, Factors Up to 99
Activity provides students the practice they need to master the skill of multiplying by 100. Immediate feedback is given.
University of Cambridge
University of Cambridge: Nrich: Grouping Goodies
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
University of Vienna (Austria)
University of Vienna: Elementary Properties of Numbers
Quick interactive assessment which determines skill level on fraction equivalence, prime factorization, and common divisors/multiples.
Khan Academy
Khan Academy: Features of Quadratic Functions
practice these multiple-choice problems over features of quadratic functions.
Khan Academy
Khan Academy: Features of Quadratic Functions: Strategy
Practice these multiple-choice problems over features of quadratic functions.
Khan Academy
Khan Academy: Prime and Composite Numbers Intro
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.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Factoring
The interactive quiz demonstrates knowledge of concepts used in Algebra I. The multiple choice questions assess students on factoring polynomials.
Better Lesson
Better Lesson: Prepping for the Exam!
Practicing math problems is a great way to study for a math test!
Alabama Learning Exchange
Alex: My Favorite Number
The activity allows students to review many of the number theory concepts. Students will pick a composite number write verbal expressions about the number, find the factors, prime factorization, list multiples, draw a cartoon character...
The Math League
The Math League: Fractions
This tutorial covers all types of fractions with simple explanations on how to work with them.
Curated OER
S.o.s. Math: Fundamental Theorem of Algebra
This lesson takes a look at the fundamental theorem of algebra. It gives information on solving multiplicity of roots and quadratic polynomials. Also gives a brief history and provides some learning exercises to practice.
Curated OER
S.o.s. Math: Fundamental Theorem of Algebra
This lesson takes a look at the fundamental theorem of algebra. It gives information on solving multiplicity of roots and quadratic polynomials. Also gives a brief history and provides some learning exercises to practice.
Curated OER
S.o.s. Math: Fundamental Theorem of Algebra
This lesson takes a look at the fundamental theorem of algebra. It gives information on solving multiplicity of roots and quadratic polynomials. Also gives a brief history and provides some learning exercises to practice.
University of Cambridge
University of Cambridge: Nrich: Round and Round the Circle
Learn multiplication with this dial star exercise. Predict what shapes you will get with different numbers.
ClassFlow
Class Flow: Crct Review Day 3
[Free Registration/Login Required] This flipchart is a review for the Georgia CRCT. It covers math concepts of statistics, factors, least common denominator, and greatest common multiple.