Understanding Fractions and Their Operations

The video introduces seven tricks for working with fractions, including the criss-cross method for adding fractions, the traditional method for finding a common denominator, the Keep Change Flip method for dividing fractions, and the ladder method for finding the greatest common factor and least common multiple. It also covers fraction terminology, the circle method for converting mixed numbers to improper fractions, and tips for memorizing fraction and decimal equivalents.

What is the first step in the criss-cross method for adding fractions?

• Add the numerators directly

• Multiply the denominators together

• Find a common denominator

• Subtract the smaller fraction from the larger one

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CCSS.5.NBT.B.7

What is a potential downside of using the criss-cross method?

• It only works for subtraction

• It doesn't teach the underlying concepts

• It is too complicated

• It takes too long

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the traditional method of adding fractions, what do you do after finding a common denominator?

• Add the numerators

• Multiply the numerators

• Subtract the numerators

• Divide the numerators

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

What does the 'C' in the KCF method stand for?

• Calculate

• Change

• Combine

• Convert

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the term for the line between the numerator and denominator in a fraction?

• Separator

• Vinculum

• Divider

• Fraction bar

What is the ladder method used for?

• Dividing fractions

• Adding fractions

• Converting fractions to decimals

• Finding the greatest common factor and least common multiple

In the circle method, what do you do after multiplying the whole number by the denominator?

• Multiply by the numerator

• Divide by the numerator

• Add the numerator

• Subtract the numerator

What is the decimal equivalent of 1/4?

• 0.2

• 0.75

• 0.25

• 0.5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many twenty-cent pieces make a whole in terms of fractions?

• 3

• 4

• 5

• 6

What is the decimal equivalent of 3/8?

• 0.125

• 0.875

• 0.625

• 0.375