EDUC 2591 Lecture Notes - Lecture 11: Number Sense

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7 Jun 2020

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Lecture 11: The Penultimate (2nd last)

June 4, 2020

11:33 AM

Double Digit Multiplication:

35x45

• Use an array

o MUST BE IN ROWS AND COLLUMNS

This is a closed array of 6x6

• Open Array

40 5

1200

150

200

1200

+200

150

--------

1575

• Box Method

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