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Arithmetic videos based on Singapore Math. Topics include: Introduction to addition. Multiple visual ways to represent addition. Adding a 2 digit number to a 1 digit number. Introduction to carrying. Adding decimals Subtraction of multi-digit numbers involving borrowing An explanation of why (not how) borrowing/regrouping works when subtracting numbers Subtracting decimal numbers 2 examples of multiplying a 3 digit number times a 2 digit number. 1 example of multiplying a 3 digit number times a 3 digit number. Multiplying decimals Dividing a two digit number into a larger number Dividing decimal numbers

List Site with many resources based on: -Playing games -Getting practice -Teaching yourself a concept

A nice synopsis based on Liping Ma's research on what teachers need to know.

From a Singapore tutor and former teacher Great teacher reference! Topics include: Addition Subtraction Multiplication Division Comparison Fractions Percentage Decimals Average Ratio

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).

Derive and recall all addition and subtraction facts for each number to 20, sums and differences of multiples of 10 and number pairs that total 100

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