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 equivalence of …

# Category: Fractions

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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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## Teaching 4.NF.B.3.d – Solve Word Problems Involving Addition and Subtraction of Fractions

Number & Operations – Fractions – 4th Grade Build fractions from unit fractions. CCSS.Math.Content.4.NF.B.3.d Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem. Teacher Notes Teaching students the strategies to solve word problems is …

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## Teaching 4.NF.B.3.c – Add and Subtract Mixed Numbers with Like Denominators

Number & Operations – Fractions – 4th Grade Build fractions from unit fractions. CCSS.Math.Content.4.NF.B.3.c Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction. Teacher Notes Knowing how do you decompose an improper fraction …

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## Teaching 4.NF.A.2 – Compare Two Fractions with Different Numerators and Different Denominators

Number & Operations – Fractions – 4th Grade Extend understanding of fraction equivalence and ordering. CCSS.Math.Content.4.NF.A.2 Compare two fractions with different numerators and different denominators, e.g., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to the …

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## Teaching 4.NF.A.1- Equivalent Fractions using Visual Fraction Models

Number & Operations – Fractions – 4th Grade Extend understanding of fraction equivalence and ordering. CCSS.Math.Content.4.NF.A.1 Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are …

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## Math e-Manipulatives and Math Graphic Organizers

Math e-Manipulatives – As you prepare for a lesson with manipulatives, you can conveniently plan activities with the eManipulatives. Then in class, students can use real manipulatives, or you can demonstrate on the computer. eManipulatives include: Base Ten Blocks, Number Line, Fractions, Fractions and Decimals, Hundred Chart, Two-Color Counters, Counters, Coins and Bills, Connecting Cubes, …

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## Converting Fractions and Decimals (tenths, hundredths, thousandths) Worksheets

Converting Fractions and Decimals (Tenths) – Free printable math common core worksheet that gives students the repetitive practice to change fractions into decimals and decimals into fraction. Converting Fractions and Decimals (Hundredths) – Free printable math common core worksheet that gives students the repetitive practice to change fractions into decimals and decimals into fraction. Converting …

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