Partial Products to Standard Algorithm

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Lesson Plans and Worksheets for Grade 4
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Common Core For Grade 4

Examples, videos, and solutions to help Grade 4 students learn how to transit from four partial products to the standard algorithm for two-digit by two-digit multiplication.

Common Core Standards: 4.NBT.5, 4.OA.3, 4.MD.3

NYS Math Module 3 Grade 4 Lesson 37 Concept Development

Problem 1
Solve 26 × 35 using four partial products and two partial products.

NYS Math Module 3 Grade 4 Lesson 37 Problem Set

1. Solve 14 × 12 using 4 partial products and 2 partial products. Remember to think in terms of units as you solve. Write an expression to find the area of each smaller rectangle in the area model. 2. Solve 32 × 43 using 4 partial products and 2 partial products. Match each partial product to its area on the models. Remember to think in terms of units as you solve.

NYS Math Module 3 Grade 4 Lesson 37 Homework

1. Solve 26 × 34 using 4 partial products and 2 partial products. Remember to think in terms of units as you solve. Write an expression to find the area of each smaller rectangle in the area model.

2. Solve using 4 partial products and 2 partial products. Remember to think in terms of units as you solve.
Write an expression to find the area of each smaller rectangle in the area model.

3. Solve 52 × 26 using 2 partial products and an area model. Match each partial product to its area on the model.

4. Solve the following using 2 partial products. Visualize the area model to help you.

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