Mental Math Strategies

mental-math

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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Number Talks Cheat Sheet

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Number Talk Quick Start Guide   What does Number Talks look like? Students are near each other so they can communicate with each other (central meeting place) Students are mentally solving problems Students are given thinking time Thumbs up show when they are ready Teacher is recording students’ thinking   Communication Having to talk out …

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Interactive Adding & Subtracting Rational Numbers (7th)

decimal

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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Factoring Quadratic Expressions with Arrays – Interactive (8th & 9th Grade Algebra)

quadratic

Factoring Quadratic Expressions with Arrays – Students use an array to represent quadratic expressions written in either standard or factored form. Lesson CCSS.MATH.CONTENT.HSA.SSE.B.3.A Factor a quadratic expression to reveal the zeros of the function it defines.

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Interactive Problem Solving (6th Grade)

rates

Thinking Blocks – Model and solve ratio and proportion word problems with Thinking Blocks (6th Grade). Online Word Problems with Ratio and Proportion CCSS.MATH.CONTENT.6.RP.A.3 Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

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Number Talk – Sixth Grade

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Sixth Grade Number Talk Number Talk – Percents  

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Number Talk – Fifth Grade

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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

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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

numbertalk

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

numbertalk

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 – Second Grade

numbertalk

Second Grade Number Talk Examples Number Talk: 49 + 29 Number Talk: 16 + 15 Number Talks: Using Compensation    

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