Lesson 4

Big Base-Ten Pieces

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 7 ÷ 0 = is undefined since there is no number that makes 0 × ? = 7 a true statement.
  2. 0 ÷ 7 = 0 since 0 × 7 = 0
  3. 1 ÷ 0 = is undefined since there is no number that makes 0 × ? = 1 true.
  4. 7 ÷ 1 = 7 since 1 × 7 = 7

Ongoing Assessment

Use DPP Bit I to assess students' abilities to solve division problems involving zero and justify solutions [E8].

I. Zero and Division

Solve the following. Justify your reasoning using a related multiplication sentence.

  1. 7 ÷ 0 =
  2. 0 ÷ 7 =
  3. 1 ÷ 0 =
  4. 7 ÷ 1 =