Operations with Mixed Numbers and Fractions

This lesson demonstrates how to perform operations with mixed numbers using the Desmos scientific calculator. It covers addition, subtraction, multiplication, and division of mixed numbers, providing step-by-step instructions for entering mixed numbers and converting decimal results back to mixed numbers. The tutorial emphasizes the importance of converting decimals to fractions to find the fractional part of mixed numbers and highlights the use of Desmos features to achieve this.

What is the first step in entering a mixed number into the Desmos calculator?

• Enter the mixed number directly

• Enter the whole number first

• Enter the fraction first

• Enter the decimal equivalent

How do you convert a decimal to a fraction in the Desmos calculator?

• Click the fraction button

• Subtract the whole number and click the circle on the right

• Add the whole number and click the circle on the right

• Multiply by 100 and click the circle on the right

What is the whole number part of the sum of 4 2/5 and 1 2/3?

• 8

• 7

• 6

• 5

What is the result of subtracting 2 2/3 from 7 4/5?

• 5 4/15

• 5 3/15

• 5 2/15

• 5 1/15

What is the whole number part of the difference when subtracting 2 2/3 from 7 4/5?

• 7

• 6

• 4

• 5

What is the product of 2 2/15 and 4 3/8?

• 8 1/3

• 9 1/3

• 10 1/3

• 11 1/3

How do you find the fraction part of a product in the Desmos calculator?

• Multiply by the whole number and convert

• Subtract the whole number and convert

• Add the whole number and convert

• Divide by the whole number and convert

What is the quotient of 6 5/6 divided by 2 1/3?

• 2 14/14

• 2 13/14

• 2 11/14

• 2 12/14

What is the whole number part of the quotient when dividing 6 5/6 by 2 1/3?

• 4

• 2

• 3

• 1

What is the final step in finding the fraction part of a quotient in the Desmos calculator?

• Divide by the whole number and convert

• Add the whole number and convert

• Multiply by the whole number and convert

• Subtract the whole number and convert