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

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.

## Interactive Problem Solving (6th Grade)

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.

## Number Talk – Sixth Grade

Sixth Grade Number Talk Number Talk – Percents

## 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

## Number Talks – 4th Grade

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

## 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

## 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

## Number Talk Videos – Second Grade

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

## 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