130 likes | 392 Views
Add & Subtract Mixed Numbers. 7 th Grade Math Lesson Objective: Students will add and subtract mixed numbers. Adding Mixed Numbers. Add. Write in simplest form. Subtracting Mixed Numbers. Subtract. Write in simplest form. Whiteboard Practice. Add or subtract. Write in simplest form.
E N D
Add & Subtract Mixed Numbers 7th Grade Math Lesson Objective: Students will add and subtract mixed numbers.
Adding Mixed Numbers • Add. Write in simplest form.
Subtracting Mixed Numbers • Subtract. Write in simplest form.
Whiteboard Practice • Add or subtract. Write in simplest form.
Rename to Subtract • Subtract. Write in simplest form. 7 If the second numerator is bigger than the first numerator, you will need to borrow “a whole” from the first whole number.
Rename to Subtract • Subtract. Write in simplest form. 4
Rename to Subtract • Subtract. Write in simplest form. 6
Whiteboard Practice • Subtract. Write in simplest form.
Real-World Example • An urban planner is designing a skateboard park. The skate ramps are 120 ½ ft long with a 40 1/3 ft long parking lot connected. What will be the total length of the park?