Lattice Math: Alternate Strategies for Problem Solving – +, —, x, ÷

Grade Levels
2nd - 8th, Homeschool
Standards
Formats Included
  • PDF
Pages
27 pages
$4.99
$4.99
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Description

Students often struggle with traditional strategies for computing sums, differences, products, and quotients. The lattice method provides a time-tested alternative for success. Lattices can be used as a new tool for struggling students or an extension showing other ways to perform the four basic operations. You’ll find some students show much greater success using these simple strategies. Even operations with decimals are included.
Total Pages
27 pages
Answer Key
Included
Teaching Duration
1 Week
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Standards

to see state-specific standards (only available in the US).
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
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.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Add up to four two-digit numbers using strategies based on place value and properties of operations.

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