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 as a vehicle to create …

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## 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 …

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## 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 …

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## Interactive Fractions and Decimals (4th Grade)

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 …

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## 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 on place …

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## 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 to subtract …

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## 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 of operations, and/or …

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## 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 of operations, and/or the …

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## 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 …

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