In this video, Salman Khan of Khan Academy shows you how to subtract decimals.
Khan Academy
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Great site to use to get a scientific calculator to solve or check your problems you are working on. Larger and easy to use.
Scientific Calculator
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Practice all types of math facts. Select addition, subtraction, multiplication, or division. There is also an option for "algebra" style.
FunBrain
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This page includes order of operations worksheets suitable for elementary and middle school students. Usually good for lessons on PEMDAS.
Math-Drills.com
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Choose an operation to practice your basic math skills. Your practice is timed and will report to you how many you got right or wrong.
Math.com
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Helps you learn the correct order of operations when doing calculations.
Math is Fun
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A functional scientific calculator with the look and feel of a real calculator for teaching how to use a calculator over the web.
Calculator.com
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In this video, Salman Khan of Khan Academy demonstrates basic subtraction.
Khan Academy
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In this video, Salman Khan of Khan Academy demonstrates level 4 subtraction.
Khan Academy
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Worksheet generator for multiple digit subtraction problems.
The Math Worksheet Site
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