Lesson 3

Strategies to Find Volume

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Use DPP item I to find the unknown number in an addition or subtraction number sentence relating three whole numbers using the addition facts in Group B.

  1. 8
  2. 8
  3. 5
  4. 3
  1. Discuss students’ strategies: Use turn-around facts to add and related addition facts to subtract.

H. Related Facts

  1. 5 + 3 =
  2. 3 + 5 =
  3. 8 − 3 =
  4. 8 − 5 =
  1. Show or tell how to use Question B to solve Question D.