# Wiki-Teacher

## Lattice Multiplication Algorithm

Explanation of the lattice multiplication algorithm that makes it easier to multiply multi-digit numbers by multi-digit numbers.

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#### Content Area

• NVACS Mathematics

• Lesson Plan

#### Course(s)

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#### Standard(s)/Course Objective(s)

• 4.OA.A.3 - Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
• NV 1.5.7.b - Multiply and divide decimals by whole numbers in problems representing practical situations.
• NV 1.5.8 - Generate and solve addition, subtraction, multiplication, and division problems using whole numbers and decimals in practical situations.

#### Textbook Unit(s)

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