Real math help.
How Do You Convert a Temperature from Celsius to Fahrenheit?
Note:
The weatherman said it's going to be 15 degrees Celsius tomorrow. Do you need a coat or not? Knowing the temperature in Fahrenheit might help. This tutorial shows you how to perform that conversion!
Background Tutorials
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Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number.
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How Do You Multiply a Whole Number by a Fraction?
Multiplying a whole number and a fraction can be confusing, but this tutorial helps to sort things out. Check it out!
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Interpret and compute quotients of fractions, and solve word problems involving division of fractions by fractions, e.g., by using visual fraction models and equations to represent the problem.
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What's a Reciprocal?
Reciprocals are important when it comes to dividing fractions, finding perpendicular lines, dealing with inverse proportions, and so much more! In this tutorial you can review the basics about reciprocals.
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Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).
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How Do You Evaluate an Algebraic Expression?
Plugging variables into an expression is essential for solving many algebra problems. See how to plug in variable values by watching this tutorial.
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Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers.
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How Do You Solve an Equation Using Addition?
Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.
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Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms.
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How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?
Trying to solve an equation involving a fraction? Just multiply the fraction away by multiplying by the reciprocal and then perform the order of operations in reverse! See how in this tutorial.
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Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
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What is a Literal Equation?
A literal equation is an equation where variables represent known values. Literal equations allow use to represent things like distance, time, interest, and slope as variables in an equation. Using variables instead of words is a real time-saver! Learn about literal equations with this tutorial.
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Further Exploration
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Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).
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How Do You Convert a Temperature from Fahrenheit to Celsius?
Did you know that many countries use Celsius to talk about temperature? When you have a temperature in Fahrenheit, it's helpful to know what that temperature is in Celsius. This tutorial shows you how to perform that conversion!
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