Domain

Operations and Algebraic Thinking

Cluster

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from

Standard(s)

K.OA.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.

Materials

Numeral: 8; manipulatives such as chips/cubes, pencil, paper

Task

·         Place the materials on the table. 

·         Show the student the numeral 8. Ask:  How many more do I need to make 10?  Show your thinking with objects, pictures or numbers.

·         Repeat with the numeral 4.

·         Repeat with the numeral 9.