Lesson 3

Subtracting with Base-Ten Pieces

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use this DPP item to practice the subtraction facts in Group 3. Remind students to use strategies like making tens or thinking addition as they practice these facts.

  1. 6
  2. 6
  3. 4
  4. 4
  5. 5
  6. 3
  7. 7
  8. 5
  9. 2
  1. Answers will vary. Possible response: Students may use the make a ten strategy to solve the problem on a number line.

4 plus 6 makes 10 plus 1 more. So 11 − 4 = 7.

Ask students to use Subtraction Flash Cards: Group 3 to study these facts, applying appropriate strategies for learning the facts.

I. Subtraction Facts: Group 3

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

  1. 10 − 4 =
  2. = 11 − 5
  3. 10 − 6 =
  4. 9 − 5 =
  5. = 11 − 6
  6. = 11 − 8
  7. 11 − 4 =
  8. 9 − 4 =
  9. = 10 − 8
  1. Explain your strategy for Question G.