Sophia Learning
Sophia: Significant Figures Addition & Subtraction
A guided lesson explaining how to add and subtract numbers expressing the answer with the appropriate number of significant digits.
Cool Math
Coolmath: Order of Operations Emdas
Students will learn from these notes that will challenge their application of the order of operations. Exponents, multiplication, division, addition, and subtraction are featured in these notes.
Cool Math
Coolmath: Order of Operations More on Mdas
Students will learn from these notes that will challenge their application of the order of operations. Multiplication, division, addition, and subtraction are featured in these notes.
Sophia Learning
Sophia: Practice Determining Significant Figures: Lesson 4
This lesson should provide examples of how to deal with significant figures when dealing with addition, subtraction, multiplication, and division. It is 4 of 4 in the series titled "Practice Determining Significant Figures."
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Houghton Mifflin: Addition and Subtraction
Addition and subtraction are covered here, with definitions, tips & tricks, lesson plans, and a section covering typical student questions.
Curated OER
Science Kids: Science Images: Arithmetic Symbols
This picture shows the arithmetic symbols for addition, subtraction, division and multiplication.
Cool Math
Coolmath: Order of Operations Mdas
This CoolMath resource will help students understand the order of operation and MDAS acronym.
abcteach
Abcteach: Math Posters
[Free Registration/Login Required] Most of the posters on this site are colorful math posters for primary or elementary school. However, there is one math poster that could be used in secondary school geometry class that has the formulas...
National Council of Teachers of Mathematics
The Math Forum: Vectors
This site from the Math Forum of Drexel University contains downloadable sketches and pictures related to vectors. You may need to down-load the Geometer's Sketchpad to view these pages.
Other
Order of Operations Is the Grammar of Mathematics
Sentences and phrases can be formed to help you remember the order of operations.
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