Lesson 1

Workshop: Addition and Subtraction Strategies

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. 30,000 > 700
  2. 200 < 20,000
  3. 70,000,000 > 700,000
  4. 200,000,000,000 > 2,000,000,000
  5. 300,000,000,000 < 30,000,000,000,000

B. Which Is Greater

For each pair of numbers, tell which is greater.

  1. 3 × 104 7 × 102
  2. 2 × 102 20,000
  3. 70,000,000 7 × 105
  4. 40,000,000,000 × 5 2 × 109
  5. 3 × 1011 thirty trillion