4th Grade
Number and Operations: Multiplication and Division
Arithmetic (PhET)
Multiplication Table Exploration
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Area Model Introduction (PhET)
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Area Model: Multiplication (PhET)
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Number and Operations: Fractions
Sp Equivalent Fractions
Fractions on the Number Line, Equivalent Fractions, Partitioning Rectangles
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Match fractions to an area or group model.
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Decomposing fractions, equivalent fractions, combining fractions.
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Cùbrelo (Spanish)
Explore the relative size of fraction pieces and relationships between them.
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Descubrelo/Destapalo (Spanish)
Get really good at strategically exchanging fractions for equivalent fractions.
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La Fracción más Grande Gana! (Spanish)
Roll and place each digit as you explore the role of the numerator & denominator in the value of a fraction as well as model and compare fractions. For 4th and 5th grades, play the Greatest Sum or Greatest Difference wins!
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Captura la Fracción (Spanish)
This game is like the card game “War.” Compare fractions, justify your thinking, win cards!
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Fraction War (from Fractiontalks.com)
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Fracciones en el Medio (Spanish)
Compare fractions, order fractions, justify your thinking
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Desmos: The Fraction Challenge
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PhET Simulations Fraction Intro
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PhET Simulations Build a Fraction
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PhET Simulations Fraction Matcher
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PhET Simulations Fraction Equality
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PhET Simulations Fractions: Mixed Numbers
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4th & 5th Grade Menu: Fractions
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4th & 5th Grade Choice Board: Fractions
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Number and Operations in Base Ten: Decimals
Common Core Standards
En el Blanco 1 (Spanish)
Players choose cards to make 2 decimal numbers that have a sum as close to 1 as possible.
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En el Blanco 2 (Spanish)
Adding Fractions
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Juego de Valor Posicional (Spanish)
Decimal Place Value
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Comparar con Decimales (Spanish)
Digital Tool: Modeling Decimals
Compare decimals - like the card game War.
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Comparación Decimal Doble (Spanish)
Digital Tool: Modeling Decimals
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Decimales de Menor a Mayor (Spanish)
Digital Tool: Modeling Decimals
Read, compare, order, model decimals.
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Making sense of decimal operations. What is the highest score you can get? Use a calculator and have fun!
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