Instructional Procedures: Tell- Today we’re reviewing, “Addition and Subtraction math facts” using the promethean board. By the end of math time, I expect you to figure math problems correctly without talking out of turn. Model- 1. (PPT of math problems are projected on the promethean board). Students, the number problem here (pointing to promethean board) says “5+7”. (I click to the next slide). To show this problem more clearly I used clip art to show 5 apples and 7 apples. Who can show me using the promethean pen how many apples I have all together? 2. What about 15-9? (Click to next slide). Here I have 15 apples and 9 apples. Say I have 15 apples and then give away 9 apples to my neighbor. How many apples do I have left? I’m only going to call on a student who has their hand raised to come up to use the promethean board. Help- 1. Student uses promethean pen to pull both sets of apples together and then counts how many apples are total. There are 12 apples total. Thus, student understands that 5+7=12. 2. Student uses promethean pen to drag 9 apples into the trash bin. Now student counts the remaining apples. There 6 apples left. Thus, student understands that 15-9=6. Check for understanding- I tell the rest of the class to give a thumbs up if they think their peer answered the algorithm correctly or a thumbs down if they think their peers answered incorrectly. As a class we discuss why peer’s assumption is correct or incorrect. Assess- Play buzz |
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