First, students will learn how to solve missing addend problems within 5. Students will solve both word problems and mathematical ones. Here's an example of a word problem: There were three wolves. How many would have to join to make ten wolves?
Making 5 by Khan Academy
Making 5 by Khan Academy
Next, students will learn how to solve missing addend problems within 10. Again, students will solve both word problems and mathematical ones.
Adding to 10 by Khan Academy
Make 10 by Khan Academy
K.OA.A.4: For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.