Mental math strategies

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Kaylee Bisby | 2nd Grade on Instagram: "Here’s what they need to know 👇  They need to know the mental math patterns that are involved in the break apart addition strategy.  When students find patterns in the certain equations I showed in the video, that’s when it turns into a mental math skill.  Students can: • break apart a number into its expanded form. 41=40+1 • add a tens number to another tens number. 50+30=80 • add a tens number to a single digit number. 30+6=36 • add a tens number to a teen number. 60+13=73  Before I teach any new strategy, I am always thinking about what patterns and mental math skills are involved with it.  I like to pre-teach these skills and patterns for a couple days before our lesson as our routine math warm-up.  That way when I go to teach the strategy, stud Addition Strategies, Expanded Form, Math Patterns, Teen Numbers, Math Addition, Mental Math, A Teen, 2nd Grade Math, Math Skills

Kaylee Bisby | 2nd Grade on Instagram: "Here’s what they need to know 👇 They need to know the mental math patterns that are involved in the break apart addition strategy. When students find patterns in the certain equations I showed in the video, that’s when it turns into a mental math skill. Students can: • break apart a number into its expanded form. 41=40+1 • add a tens number to another tens number. 50+30=80 • add a tens number to a single digit number. 30+6=36 • add a tens number to…

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