Lesson 5

News Number Line

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Use this DPP item to practice multiplication and division and explore the properties of 0 and 1.

    1. 8
    2. undefined
    3. 0
    4. 1
    5. 12
    6. undefined
    7. 0
    8. 1
  2. For 1B, there is no number that makes ? × 0 = 4 true. For 1C, 9 × 0 = 0.

R. Zeros and Ones

    1. 8 × 1 =
    2. 4 ÷ 0 =
    3. 0 ÷ 9 =
    4. 1 ÷ 1 =
    5. 12 ÷ 1 =
    6. 5 ÷ 0 =
    7. 7 × 0 =
    8. 3 ÷ 3 =
  2. Justify your reasoning for Questions 1B and 1C using a related multiplication sentence.