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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…

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Multi-Digit Multiplication Partial Product Area Model Multi-Digit Multiplication Partial Product Area Model Worksheet – A basic first step before introducing an algorithm to solve double-digit by double-digit multiplication. Version 2 Version 3 Triple-Digit times Double-Digit Version 1 Version 2 Version 3   CCSS.Math.Content.4.NBT.B.5 Multiply a whole number of up to four digits by a one-digit whole number,…

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