There is more than one way to solve a multiplication problem, and many learners find that the lattice multiplication method can be a helpful one. Fourth graders take an initial formative assessment before working in groups of two or three to solve several multiplication problems involving the distributive property by using the lattice method.

Concepts

multiplication, distributive property, lattice multiplication

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Additional Tags

math

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Instructional Ideas

• Bring into your multiplication unit when discussing different ways to arrive at different products

Classroom Considerations

• Cards need to be printed in color

Pros

• Appeals to learners who have a hard time memorizing rote multiplication facts
• Encourages kids to analyze their own methods and to improve their strategy going forward

Cons

• None

Common Core

4.NBT.A.1 5.NBT.A.1