From the Mel Gabler's Educational Research Istitute.
Compares:
SRA Real Math
Saxon Math
enVisionMATH
Texas Math
Texas HSP Math
Think Math!
Texas Math
Everyday Math
From United States.
Activities and lessons - Math topics covered.
BASIC MATH:
Shapes & Colors, Numbers & Counting, Addition, Subtraction, Multiplication, and Division.
ADVANCED MATH:
Fractions, Decimals, Percentages, Estimation & Rounding, Ratios, and Money.
This site offers an introduction to mathematics and its variety of topics. It's not just for kids, it's for everyone (even if you aren't a number nut).
From the United States
Java program
Playing and Learning to Use Integer Bars, including lesson plans on:
Learning to Add and Subtract
Learning to Multiply
Learning to Divide
Learning About Fractions
Multiplying and Dividing Fractions
Geometry Using Integer Bars
Learning About Charts Using Integer Bars
Learning Basic Algebra Using Integer Bars
From Singapore
School site reviews some heuristics used in SIngapore as well as some samples problems.
Heuristics' refers to strategies that we can adopt to solve unfamiliar problems.