Lesson 3

Handy Facts

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use this DPP item to practice the subtraction facts in Groups 5 and 6

  1. 9
  2. 8
  3. 4
  4. 8
  5. 5
  6. 2
  7. 300
  8. 2
  9. 3
  10. 2
  11. 400
  12. 9
  13. 5
  14. 20
  1. If 5 − 3 = 2 then 500 − 200 is equal to 200 because all the numbers in the problem are 100 times more.

E. Subtraction Facts: Groups 5 and 6

Do these problems in your head. Write only the answers.

  1. = 11 − 2
  2. 12 − 4 =
  3. 7 − 3 =
  4. = 13 − 5
  5. = 13 − 8
  6. 5 − 3 =
  7. 500 − = 200
  8. = 8 − 6
  9. = 8 − 5
  10. 6 − 4 =
  11. 600 − 200 =
  12. = 12 − 3
  13. 7 − 2 =
  14. 70 − 50 =
  1. Show or tell how you can use your answer for Question F to solve Question G.