Math 113

Math 113

1. Addition

   • What is it?
     • https://www.youtube.com/watch?v=AQ7THUKx6Es
     • Lattice Method
       • http://ifmycalculationsarecorrect.blogspot.com/2013/01/lattice-addition.html
     • Partial Sums Method
       • https://www.asdk12.org/staff/hoppas_mary/pages/Everyday_Math_Parent_Support/Addition_Algorithms_files/Student%20Reference%20Book%20pp%2057-58.pdf

2. Subtraction

   • What is it?
     • https://www.youtube.com/watch?v=fW14jOElUrI
     • Partial Sums Method
       • https://www.everydaymathonline.com/pdf/teacher/algorithms_handbook/print_resources/Subtraction_Algorithms/Partial-Differences_Subtraction_pp_30-31.pdf
     • Counting up Method
       • http://www.mathatube.com/e-subtrac-counting-up.html

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