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4434Decimals Calculations Contexualized for Energy
http://www.merlot.org/merlot/viewMaterial.htm?id=789478
Decimals Calculations Contexualized for EnergyFoundations of Real World Math
http://www.merlot.org/merlot/viewMaterial.htm?id=734964
This is a free online course offered by the Saylor Foundation.'The courses included in this program are designed for the high school student preparing for college or the adult learner who needs a refresher course or two in mathematics.Each of the courses in this series includes instructional videos and practice problems from Khan Academy™ (Khan Academy™ is a library of over 3,000 videos covering a range of topics, including math and physics) that will help you master the foundational knowledge necessary for success in College Algebra (MA001: Beginning Algebra) and beyond.These courses focus on the ways in which math relates to common “real world” situations, transactions, and phenomena, such as personal finance, business, and the sciences. This “real world” focus will help you grasp the importance of the mathematical concepts you encounter in these courses and understand why you need quantitative and algebraic skills in order to be successful both in college and in your day-to-day-life.'Logic and Proofs
http://www.merlot.org/merlot/viewMaterial.htm?id=435335
This is a free, online textbook/course that "provides a rigorous presentation of the syntax and semantics of sentential and predicate logic. The distinctive emphasis is on strategic argumentation.״ It "includes self-guiding materials and activities, and is ideal for independent learners, or instructors trying out this course package.״ Math Quiz-mathematic tests online
http://www.merlot.org/merlot/viewMaterial.htm?id=579127
Math assesments for everyone, math tests for GCSE and A-Level online, preparing for mathematics examination.Ratio, Proportion and Percentages
http://www.merlot.org/merlot/viewMaterial.htm?id=434135
This free online textbook/course provides elementary information on some of the basics of mathematics. "This module revises the relevant techniques and helps you to apply them logically.״Real Functions and Graphs
http://www.merlot.org/merlot/viewMaterial.htm?id=434136
This is a free, online textbook that covers functions and graphs. "Many problems are best studied by working with real functions, and the properties of real functions are often revealed most clearly by their graphs. Learning to sketch such graphs is therefore a useful skill, even though computer packages can now perform the task. Computers can plot many more points than can be plotted by hand, but simply ‘joining up the dots’ can sometimes give a misleading picture, so an understanding of how such graphs may be obtained remains important. The object of this unit is to review the various techniques for sketching graphs that you may have met in your previous studies, and to extend these methods.״Rounding and Estimation
http://www.merlot.org/merlot/viewMaterial.htm?id=434139
This free, online textbook covers some basic functions of mathematics. "The main aim of this unit is to help you to do this in a sensible and fruitful way. Using a calculation to solve a problem involves four main stages: Stage 1: working out what calculation you want to do; Stage 2: working out roughly what size of answer to expect from your calculation; Stage 3: carrying out the calculation; Stage 4: interpreting the answer – Does it agree with the rough estimate? Does it make sense in terms of the original problem? This unit focuses on Stages 2 and 4.״Squares, roots and powers
http://www.merlot.org/merlot/viewMaterial.htm?id=434140
This is a free, online textbook that covers some of the basics of mathematics. It covers "powers of numbers, such as squares and square roots. In particular, powers of 10 are used to express large and small numbers in a convenient form, known as scientific notation, which is used by scientific calculators.״