Alternative Algorithms

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by HannaandLisa
Last updated 7 years ago

Discipline:
Math
Subject:
Number Operations
Grade:
3

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Alternative Algorithms

This alternative algorithm for subtraction is similar to the traditional algorithm because both methods require the student to find out how much is left after you subtract. This alternative algorithm is different than the traditional algorithm because it uses negative numbers instead of regrouping.(CCSS.Math.Content.2.NBT.B.7 )

The expanded notation for addition is similar to the traditional addition algorithm because both add numbers by place value to reach the total sum; however, expanded notation simplifies the problem for students by breaking the numbers up. (CCSS.Math.Content.1.NBT.C.4)

The partial products algorithm is similar to the traditional multiplication algorithm because both multiply numbers by place value to get a final product. However it simplifies the problem for students by doing partial products.(CCSS.Math.Content.4.NBT.B.5)

The lucky seven division algorithm is similar to the traditional division algorithm because both require the student to find out how many times the divisor can go into the dividend, The luck seven method simply uses repeated subtraction rather than multiplication. (CCSS.Math.Content.4.NBT.B.6)

Math 101Alternative Algorithms

Subtraction

Addition

Division

Multiplication


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