Exploring Operations with Fractions

This video tutorial covers the basics of fraction operations, including simplifying, multiplying, dividing, adding, and subtracting fractions. It provides step-by-step instructions and examples for each operation, emphasizing the importance of finding common factors and denominators. The tutorial also introduces a mnemonic device for dividing fractions and explains how to handle fractions with unlike denominators in addition and subtraction.

What is the first step in simplifying a fraction?

• Subtract the numerator from the denominator

• Multiply the numerator and the denominator

• Find a common factor for the numerator and the denominator

• Add the numerator and the denominator

What is the simplified form of the fraction 6/15?

• 2/5

• 3/5

• 1/3

• 2/3

When multiplying fractions, what is one method you can use?

• Subtract the numerators and denominators

• Add the numerators and denominators

• Divide the numerators and denominators

• Multiply straight across

Tags

CCSS.5.NF.B.6

What is the result of multiplying 2/5 by 15/8 using the cross-simplifying method?

• 4/5

• 2/3

• 5/6

• 3/4

Tags

CCSS.5.NF.B.6

What is the first step in dividing fractions?

• Keep the first fraction, change the division to multiplication, and flip the second fraction

• Multiply the fractions

• Add the fractions

• Subtract the fractions

Tags

CCSS.6.NS.A.1

What is the result of dividing 2/3 by 10/21?

• 3/2

• 5/7

• 2/7

• 7/5

Tags

CCSS.6.NS.A.1

When adding fractions with the same denominator, what should you do?

• Subtract the numerators and keep the denominators the same

• Multiply the numerators and denominators

• Add the numerators and keep the denominators the same

• Add the denominators and keep the numerators the same

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 1/5 and 3/5?

• 4/5

• 2/5

• 3/5

• 1/1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the first step in adding fractions with different denominators?

• Add the numerators directly

• Multiply the fractions

• Subtract the denominators

• Find a common denominator

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the result of subtracting 2/3 from 4/5 after finding a common denominator?

• 2/3

• 1/15

• 2/15

• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2