Lesson 2

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Est. Class Sessions: 1

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. n = 50
  2. n = 4

Discuss students' strategies.

C. Finding the Value of n

Replace n with a number to make each number sentence true.
Be prepared to explain your thinking.

  1. 984 = 629 + 5 + n + 300
  2. 1000 = 654 + 300 + 50 − n