Mental Subtraction: Subtracting Numbers Near Bases Premium class

Mansi Bidwai, Skillshare Teacher

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3 Videos (10m)
    • Introduction

      1:48
    • Subtracting numbers near bases

      6:47
    • Conclusion and class project

      1:10

About This Class

This class of mental subtraction is a part of Warp Speed Math Series. In this class I will share with you how to subtract numbers like 19, 99, 38, 48 etc which are near the bases. The numbers can be subtracted quickly and easily in our head by this technique.

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Advantages of Warp Speed Math

  • Increases speed, guarantees accuracy and consistent precision.
  • Eliminates number crunching phobia.
  • Cross checking an answer.
  • Time saving in tests like GRE, GMAT and ACT.
  • Invigorates left and right brain segments.
  • Exponential improvement in concentration, visualization and memory.

Happy Learning!!!

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Mansi Bidwai

Skillshare Teacher

Mansi is an experienced math and science tutor. She loves teaching math and science. She is an environmentalist by profession and at heart. She loves exploring new places especially National Parks and Wild Life Sanctuaries.