Lesson 4

Subtraction with Base-Ten Pieces

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Use DPP item M to provide practice with subtraction facts in Group A.

    1. 1
    2. 10
    3. 100
    1. 2
    2. 20
    3. 200
  1. Answers will vary. Students should recognize that Question 2A is subtracting ones while Question 2C is subtracting the same number
    in hundreds.

M. Subtraction with Tens and Hundreds

  1. A. 3 − 2 =

    B. 30 − 20 =

    C. 300 − 200 =

  2. A. = 4 − 2

    B. = 40 − 20

    C. = 400 − 200

  1. Show or tell how Question 2A is like Question 2C.