Lesson 1

Workshop: Addition and Subtraction Strategies

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

DPP Bit C provides practice with multiplying multiples of ten using the multiplication facts for the 9s.

  1. 2700
  2. 7200
  3. 54,000
  4. 45,000
  5. 90,000
  6. 180,000
  7. 3,600,000
  8. 63,000
  9. 81,000

C. Multiplying by 10s

  1. 30 × 90 =
  2. 80 × 90 =
  3. 900 × 60 =
  4. 50 × 900 =
  5. 1000 × 90 =
  6. 900 × 200 =
  7. 4000 × 900 =
  8. 70 × 900 =
  9. 9000 × 9 =