Adding and Subtracting Mixed Numbers

In 4th Grade we often use models when working with fractional amounts In 4th Grade we often use models when working with fractional amounts. Using models helps the students “conceptualize” the procedure the mathematical equation is representing.         

Adding Mixed Numbers with area models What is a mixed number? A mixed number is made up of a whole number and a fraction (part of a whole). *Watch the video to learn more about adding mixed numbers. Click Here for Adding Mixed Numbers with Like Denominators

Adding Mixed Numbers with a number line In the video, you learned how to add mixed numbers using the area model. We can also represent the adding of mixed numbers by using a number line. 2 ¾ + 1 ¼ = 4 4/4 or 1 whole 2 2 ¼ 2 2/4 2 ¾ 3 3 ¼ 3 2/4 3 ¾ 4 4 ¼

Use area models or a number line to solve for the sum. Adding Mixed Numbers Use area models or a number line to solve for the sum. 2 ⅓ + 1 ⅓