# Number Mat- Adding and Subtracting Lesson Plan (K.OA.1 & K.OA.2)

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Standards: SWBAT: Understand addition as putting together and adding to, and understand subtractions as taking apart and taking from.

K.OA.1- represent addition and subtraction with objects, fingers, mental images, drawings, sounds, action out situations, verbal explanations, expressions, or equations.

K.OA.2- Solve addition and subtraction word problems, and add and subtract within 10, eg., by using objects or drawings to represent the problem.

Materials: 2 counters per student, worksheet, pencils, crayons, number mat for each student

Procedures: Students will work with partners. Student one will drop counters on the number mat. Student one will then tell what numbers the counters landed on. Student one will tell student two a number story using the numbers the counters landed on. For example, if the counters landed on 5 and 7, then the student will tell the numbers and then tell the story. There were 7 kids playing and 5 went away. They will then illustrate and write the equation on the worksheet. Student two checks to make sure it is right, and then student two goes. Students continue until worksheet is filled.

*Make sure you tell students if they are going to be adding or subtracting.
Total Pages
4 pages
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Teaching Duration
1 hour
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