# 383 Pre-Algebra Videos by Khan Academy

### 383 Pre-Algebra Videos by Khan Academy.zip

Here are 383 Pre-algebra tutorial videos from Khan Academy that will teach middle school students to understand and get familiar with the foundation for all higher mathematics, and for progressing to the Algebra Basics and Algebra I videos. They teach and demonstrate many important concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, fractions, rates, exponents, radicals, and scientific notation.

#### Topics taught by the 383 Pre-algebra videos:

##### Negative Numbers and Absolute Value – 22 videos

Teaches negative number basics, adding, subtracting, multiplying and dividing negative numbers, and absolute value.

##### Factors and Multiples – 19 videos

Understanding and finding factors and multiples. After these videos, you’ll be ready for fractions.

##### Decimals – 78 videos

Conceptualizing decimals and place notation, regrouping decimals and comparing decimals. Adding, subtracting, multiplying and dividing decimals. Converting between fractions and decimals. Introduction to percentages, percent word problems, estimating/rounding and significant figures. Moving the decimal to multiply and divide by 10, and adding and subtracting decimals percentages and fractions.

##### Fractions – 96 videos

Understanding fractions, visualizing equivalent fractions, equivalent fractions and simplified form, comparing fractions, decomposing fractions, adding and subtracting fractions with unlike denominators, adding and subtracting fractions, adding and subtracting with unlike denominator word problem, multiplying fractions, multiplying fractions word problems, mixed numbers and improper fractions, mixed number addition and subtraction, mixed number multiplication and division, decimals and fractions, dividing fractions, dividing fractions by fractions, number sets.

##### Ratios, Proportions, Units, and Rates – 33 videos

Ratios and proportions, rates, unit conversion, metric system unit conversion, fahrenheit and celsius conversion.

##### Applying mathematical reasoning – 40 videos

You already have many tools in your mathematical toolkit. In this topic, you’ll use these in settings that you’re likely to encounter in the real world!

##### Exponents, Radicals, and Scientific Notation – 36 videos

Understanding and solving exponents without algebra.

##### Arithmetic Properties – 42 videos

This tutorial will help us make sure we can go deep on arithmetic. We’ll explore various ways to represent whole numbers, place value, order of operations, rounding and various other properties of arithmetic.

##### Measurement – 17 videos

These videos help make sure we can go deep on arithmetic. We’ll explore various ways to represent whole numbers, place value, order of operations, rounding and various other properties of arithmetic.

###### Additionally, here are several other pre-algebra learning resources on BestEdLessons:

.. – love learning -your best ed lessons guide, Scott

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