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Raise your hand if you like cookies. I love chocolate chip, oatmeal, gingerbread... But how do I keep track of how many cookies I have? In this lesson, we focus on #MentalMathAddition strategies. Students learn that making groups of ten helps to add quickly, we can even do it without writing anything down! A ten frame is a great way to practice this strategy. Hey, don't let that gingerbread man get away!
Key words: addition, subtraction, ten frames, mental math strategies
Aligned with Common Core State Standard - Math
2.OA.B.2 - Operations & Algebraic Thinking
Add and subtract within 20: Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.