Decimals | Arithmetic | Khan Academy (English)

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Decimals | Arithmetic | Khan Academy
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Lecture Description of this above Topic:

Lecture 1: Converting percent to decimal and fraction

Lecture 2: Percentage of a whole number

Lecture 3: Decimals: choosing a number to represent place value

Lecture 4: Subtracting decimals (old)

Lecture 5: Converting decimals to percents example 2

Lecture 6: Regrouping with decimals

Lecture 7: Multiplying decimals: place value and reordering

Lecture 8: Decimals: writing it out as a number

Lecture 9: Converting decimals to percents

Lecture 10: Dividing completely to get decimal answer example 2

Lecture 11: Converting decimals to fractions example 2

Lecture 12: Adding, subtracting fractions

Lecture 13: Percent word problem example 2

Lecture 14: Decimals: writing it out in words

Lecture 15: Comparing decimals: ordering from smallest to biggest

Lecture 16: Multiplying challenging decimals

Lecture 17: Percent word problem example 5

Lecture 18: Converting decimals to fractions example 1

Lecture 19: Rewriting fraction as a decimal to the hundredths place

Lecture 20: Converting decimals to fractions 2 (ex 1)

Lecture 21: Subtracting decimals example 1

Lecture 22: Adding decimals: example 2

Lecture 23: Adding, subtracting numbers in different formats

Lecture 24: Finding a percentage

Lecture 25: Comparing decimals: place value difference

Lecture 26: Decimals: writing it out in words 2

Lecture 27: Converting fractions to decimals

Lecture 28: Comparing decimals example 3

Lecture 29: Dividing a decimal by a power of 10: shortcut

Lecture 30: Representing a number as a decimal, percent, and fraction 2

Lecture 31: Multiplying decimals example

Lecture 32: Comparing decimals: ordering from least to greatest

Lecture 33: Identifying percent amount and base

Lecture 34: Ordering numeric expressions

Lecture 35: Comparing two decimal numbers using a number line (example)

Lecture 36: The meaning of percent

Lecture 37: Converting percents to decimals

Lecture 38: The meaning of percent over 100

Lecture 39: Percent word problem example 4

Lecture 40: Fraction to decimal with rounding

Lecture 41: Dividing by a multi-digit decimal

Lecture 42: Decimal to simplified fraction

Lecture 43: Converting decimals to fractions example 3

Lecture 44: Dividing decimals with hundredths example 3

Lecture 45: Introduction to multiplying decimals

Lecture 46: Converting percents to decimals example 2

Lecture 47: Solving percent problems

Lecture 48: Multiplying decimals word problem

Lecture 49: Dividing a decimal by a power of 10

Lecture 50: Growing by a percentage

Lecture 51: Basic example of rewriting a fraction as a decimal

Lecture 52: Fraction to decimal

Lecture 53: Dividing a decimal by a whole number

Lecture 54: Rounding decimals: to the nearest tenth

Lecture 55: Adding decimals word problem

Lecture 56: Dividing a whole number by a decimal

Lecture 57: Regrouping decimals example 2

Lecture 58: Significant figures

Lecture 59: More on significant figures

Lecture 60: Comparing decimals: difference in largest place value

Lecture 61: Regrouping with decimals example 1

Lecture 62: Comparing decimals example 2

Lecture 63: Decimals: expanding out place value

Lecture 64: Number sets 1

Lecture 65: Adding and subtracting decimals word problem

Lecture 66: Multiplying and dividing with significant figures

Lecture 67: Multiplying a decimal by a power of 10

Lecture 68: Subtracting decimals: example 1

Lecture 69: Adding decimals: example 1

Lecture 70: Converting decimals to fractions 2 (ex 2)

Lecture 71: Fraction to decimal example

Lecture 72: Decimals and fractions on a number line

Lecture 73: Placing positive and negative decimals on a number line

Lecture 74: Adding decimals: example 3

Lecture 75: Decimal place value

Lecture 76: Adding, subtracting fractions, decimals, percentages

Lecture 77: Addition and subtraction with significant figures

Lecture 78: Dividing completely to get decimal answer