# Teaching Tips

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## Interactive Addition Patterns (2nd Grade)

Interactive Addition Patterns (2nd Grade) Dream Box – Matching Number Pairs for Two Hundred. Students practice computation strategies and identify number patterns and relationships to make two hundred in a variety of ways. Lesson Dream Box – Addition with Tens on the Number Line. Using an open number line, students jump by tens to decompose addition problems into friendly steps. Lesson …

More...## Interactive Number Equivalency (2nd & 3rd Grade)

Interactive Number Equivalency (2nd & 3rd Grade) Second Grade Dream Box – Build Expressions Equal to Twenty. Using expressions that have one to three addends, this tool engages students in understanding various number pairs that equal up to twenty. Lesson Dream Box – Build Expressions Equal to One Hundred. Using expressions that have one to three addends, this tool engages students in understanding…

More...## Interactive Addition & Subtraction on the Number Line (3rd Grade)

Interactive Addition and Subtraction on the Number Line (3rd Grade) Dream Box – Addition on the Number Line Using Landmark Numbers. Using an open number line, students leverage landmark numbers such as tens and hundreds to solve addition problems. Lesson Dream Box – Subtraction on the Number Line Using Constant Difference. Using an open number line, students explore a compensation strategy…

More...## Teaching 3.OA.A.3 – Multiplication & Division within 100 to Solve Word Problems in Situations Involving Equal groups, Arrays, & Measurement Quantities

Operations & Algebraic Thinking – 3rd Grade Represent and solve problems involving multiplication and division. CCSS.Math.Content.3.OA.A.3 Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. Teacher Notes Drawings and equations help us solve…

More...## Teaching RL4.1 Refer to Details and Examples in a Text

Reading Literature – 4th Grade Key Ideas and Details CCSS.ELA-Literacy.RL.4.1 Refer to details and examples in a text when explaining what the text says explicitly and when drawing inferences from the text. Teacher Notes Drawings and equations help us solve word problems in situations involving equal groups, arrays, and measurement quantities. Understanding the context and actions of a story problem…

More...## Interactive Fractions and Decimals (4th Grade)

Interactive Fractions & Decimals Dream Box – Equivalent Fractions on the Number Line. Students develop understanding of equivalent fractions by placing markers at set intervals along a race course. Lesson CCSS.MATH.CONTENT.4.NF.B.3.B Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual…

More...## Interactive Multi-Digit Multiplication Area Model (4th Grade)

Interactive Multi-digit Multiplication Area Model (4th Grade) Dream Box – Multiplication: Open Arrays/Area Models. Students compose arrays, use partial products, and develop understanding of the distributive property to mentally multiply up to 3-digit by 3-digit numbers. Lesson CCSS.MATH.CONTENT.4.NBT.B.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based…

More...## Interactive Subtraction Algorithm (4th Grade)

Interactive Subtraction Algorithm (4th Grade) Dream Box – Subtraction Algorithm. Students use the standard subtraction algorithm and a place value workspace to solve subtraction problems involving up to two 3-digit numbers. Lesson CCSS.MATH.CONTENT.4.NBT.B.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm.

More...## Interactive Adding and Subtracting Fractions (4th Grade)

Interactive Adding and Subtracting Fractions (4th Grade) Dream Box – Adding Fractions. Using both a concrete bar model and equations, this tool enables students to represent fraction addition and think strategically about which fractional pieces are best to solve a given problem. Lesson Dream Box – Subtracting Fractions. Using the “removal” or “take away” representation, this tool helps your students learn…

More...## Interactive Division within 10,000 with Remainders (5th Grade)

Interactive Division within 10,000 with Remainders (5th Grade) Dream Box – Division within 10,000 with Remainders. Students choose friendly equations (partial quotients) and the distributive property to solve multi-digit division problems within 10,000 and interpret remainders. Lesson CCSS.MATH.CONTENT.5.NBT.B.6 Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties…

More...## Interactive Decimal Sums on the Number Line (5th Grade)

Interactive Decimal Sums on the Number Line (5th Grade) Dream Box – Decimal Sums on the Number Line. Students use a number line to add and subtract decimals and solve for a variable in a “change unknown” situation. Lesson CCSS.MATH.CONTENT.5.NBT.B.7 Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties…

More...## Interactive Geometry (6th Grade)

Interactive Geometry (6th Grade) Dream Box – Coordinate Grids: Location and Measurement. Students define and use a Cartesian coordinate grid to locate points and measure distances between points. Lesson Dream Box – Coordinate Grids: Lines of Reflection. Students reflect points on a coordinate grid over a line of reflection. Lesson CCSS.MATH.CONTENT.6.G.A.3 Draw polygons in the coordinate plane given coordinates for the…

More...## Interactive Ratios and Equivalent Measurements (6th Grade)

Interactive Ratios and Equivalent Measurements (6th Grade) Dream Box – Ratios and Equivalent Measurements. Students use a ratio table to represent equivalent measurement ratios in the context of a recipe. This DreamBox lesson helps students mentally multiply and divide as they use scale factors and number relationships to understand equivalent ratios. Lesson Dream Box – Proportional Reasoning on a Double Number…

More...## Interactive Supplementary and Vertical Angles (7th Grade Geometry)

Interactive Supplementary and Vertical Angles (7th Grade) Dream Box – Supplementary and Vertical Angles. Students reason deductively about supplementary, vertical, and adjacent angles to make rotations, aim for targets, and determine angle measurements. Lesson CCSS.MATH.CONTENT.7.G.B.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in…

More...## Division – Double-Digit Divisors and Decimals (5th) Grade

Division – Double-digit Divisors and Decimals (5th Grade) Division of Decimals – Professional Development Video for fifth grade teachers. A couple good ways to teach Common Core Math. Double-Digit Division – Partial Quotient Exploring Division of Decimals CCSS.MATH.CONTENT.5.NBT.B.6 Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations,…

More...## Mental Math Strategies

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

More...## Number Talks Cheat Sheet

Number Talks Cheat Sheet 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 loud…

More...## Interactive Adding & Subtracting Rational Numbers (7th)

Interactive Adding and Subtracting Rational Numbers (7th Grade) 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…

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

Factoring Quadratic Expressions with Arrays: Interactive (8th and 9th Grade) 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.

More...## Interactive Problem Solving (6th Grade)

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.

More...## Number Talk – Sixth Grade

Number Talk (6th Grade) Sixth Grade Number Talk Number Talk – Percents

More...## Number Talks – 4th Grade

Number Talk (4th Grade) Fourth Grade Number Talks. Number Talk Multi-Digit Addition Single and Double Digit Multiplication Number Talk Multi-Digit Addition

More...## Number Talks – Third Grade

Number Talks (3rd 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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