Worksheets and Math Practice

Daily Math Review
Three years’ worth of math review (7 assorted problems per day) for grades 6, 7, and 8 — with answers provided for the busy teacher.

Donna Young’s Math Pages
Worksheets, charts, drill pages, fraction manipulatives, triangular flashcards, and more — plus a great introduction to unit multipliers (also known as conversion factors).

Free Math Worksheets from HomeSchoolMath.net
A variety of worksheets from the author of the Math Mammoth books (and Homeschool Math Blog), with links at the bottom of the page for more freebies.

GetSmarter.org
Try your hand at math and science test questions, and then see how your answers compare to those from students around the world.

MathCounts Drills by Elias Saab
Tough online practice problems for MathCounts preparation, or simply to see if you can handle the challenge. Problems are also available one by one.

MathCounts Toolbox
This is a 9-page summary of the basic facts of elementary math. Go through each page, checking off all the things you know. Then try to learn at least one new math fact per week between now and test time.

Math Drills Homepage
Online mathematics tests and drills for many topics, elementary through university level.

Math Worksheet Generators
“Just the facts, ma’am.” Plenty of formatting choices.

Math Worksheet Site
My personal favorite online generator for basic math worksheets. They also offer a subscription service, if you need a wider choice of topics.

Multiflyer
Online or downloadable game for practicing the multiplication facts. This is the best math fact game I have seen, at a can’t-beat-it price.

Preparation Drills for the SAT-Math Sections
Quiz yourself online to prepare for high-stakes high school testing.

Triangular Numbers are Everywhere!
This worksheet from the IMSA Math Journal examines several examples of triangular numbers in mathematical problems. Can you figure out the patterns?

HomeschoolMath.net
Place value, adding and subtracting, multiplying and dividing, fractions, and more.

Interactivate
Lots of projects to try, mostly at the elementary to middle-school level.

Introduction to Probability
A short tutorial with interactive questions from Mrs. Glosser’s Math Goodies. See also: Rolling a Pair of Dice, Conditional Probability, and the Challenge Exercises. And check out Combining Probabilities at MathCounts Central: When more than one thing is happening in a probability problem, how do you know whether to add the probabilities or multiply them? And what happens if the events are not mutually exclusive?

Math.com
Basic math, everyday math, and “hot subjects” like fractions and decimals.

Mathematics at Free-Ed.Net
Arithmetic and pre-algebra.

Problem Solving Strategies
Teach your students to solve problems—by solving problems!

Professor Pig’s Magic Math
Cartoons, hands-on games, and mental math practice — these pdf lessons are excellent to help students understand number bonds, rather than just memorizing math facts. (Only the first two lessons are available now; more coming soon.) See also: Math Games to Download.

Smartkiddies Math
A complete elementary math program developed by Australian teachers. [Edited to add: This used to be free. I just noticed that they now offer a 30-lesson free trial, but regular access is $50/year per family. It's a very reasonable price, but not as good a deal as it used to be!]

Suzanne’s Math Lessons
For upper-elementary and middle school.

The Singapore Maths Teacher
These slide shows demonstrate Singapore-style math models (also known as bar diagrams) step by step, beginning with relatively easy grade 3 word problems and working through to grade 6 stumpers. Excellent for elementary teachers who need to learn how to teach this method. See also: Problem Solving Strategies.

Why We Don’t Divide By Zero
Professor Homunculus of The Math Mojo Chronicles explains the mathematics of dividing by zero.