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Mental Math

Mental Math Strategies

These printable mental math strategies or similar ones should be embedded throughout the math year and are excellent to promote during Number Talks. Addition and Subtraction Strategies Multiplication and Division Strategies      

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Interactive Adding & Subtracting Rational Numbers (7th)

Dream Box – Interactive Fraction and Decimal Sums. Develop fluency with addition & subtraction of fractions & decimals by choosing two numbers that have a target sum. Lesson Dream Box – Interactive Subtracting Integers. Students use a number line and only the subtraction operation to solve for a variable in start, change, or result unknown situations. Lesson Dream Box –…

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Number Talk – Fifth Grade

Fifth Grade Number Talks Number Talk – Division Number Talk – Double-Digit Multiplication Number Talk – Double-Digit Multiplication Number Talk – Double-Digit Multiplication   Number Talk – Fractions

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Number Talks – 4th Grade

Fourth Grade Number Talks. Number Talk Multi-Digit Addition Single and Double Digit Multiplication Number Talk Multi-Digit Addition

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Number Talks – Third Grade

Third Grade Number Talks. Number Talk – Subtraction Strategies Number Talk – Multiplication Number Talk – Multiplication as Repeated Addition Number Talk – Multiplication Solving 7 x 6 and 7 x 7 Number Talk – Subtraction  

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Number Talks – Kindergarten

Various Number Talks for Kindergarten. Number Talk – Ten Frames Number Talks – Ten Frames and Dot Cards Number Talk – Fluency with 7 Number Talk – Making Ten  

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Number Talk Videos – First Grade

First Grade – Use other successful students to model for other students by having them repeat.  This video shows how a teacher helps her students listen to and repeat a classmate’s thinking. First Number Talk Problem Solving and Number Sense Solve Ten Frames in Different Ways  

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Teaching Mental Math

Number Talks are Mental Math exercises, but students need to be taught how to think about mental math and how to incorporate math vocabulary into their thinking and speaking. The videos below are examples on how to coach students into using their mental math skills. Number Sense 3.NBT.A.2

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