Debug Algorithm
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Double Digit Multiplication Two Ways
Guided lesson or activity that includes both the standard algorithm and the area and array model. *Make sure to choose enable editing once downloaded to fix formatting problems.
4th
Basic Operations, Math
Base Ten Subtraction Models
Students must model regrouping when subtracting and then use the standard algorithm to match the model.
3rd - 4th
Basic Operations, Math, Place Value
Junior Level Mulitplication Strategies
Junior Level Multiplication strategies are easy to use strategies for teachers and students to utilize instead of traditional algorithms. Enclosed is an information sheet showing three different strategies, compensation, halving and doubling, , a worksheet for students and a teacher answer sheet.
4th - 5th
Basic Operations
Place Value Multiplication Strategies
Place Value Multiplication strategies are easy to use strategies for teachers and students to utilize instead of traditional algorithms. Enclosed is an information sheet showing two examples of two different place value strategies, a worksheet for students and a teacher answer sheet.
3rd - 5th
Basic Operations
Calcul Mental: Theory, Examples, and Worksheets(5th grade level)
Calcul Mental (Mental Arithmetic) is an instructional method used in France for developing computational skills in the context of a mathematically sound theory of arithmetic. The goal is for students to acquire, at each grade level, not only the age-appropriate computational skills, but the mathematical reasoning embedded in them. In particular, the computational algorithm must be consistent with, and indeed illustrate the underlying theory. In short,it prepares the middle school student for
5th
Basic Operations, Mental Math
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