Lesson 9

Sorting 3-D Shapes

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Answers for the division sentences are all possible responses.

    1. 27
      27 ÷ 9 = 3 or 27 ÷ 3 = 9
    2. 9
      54 ÷ 9 = 6 or 54 ÷ 6 = 9
    3. 8
      72 ÷ 9 = 8 or 72 ÷ 8 = 9

Ongoing Assessment

Use this DPP item to assess students' abilities to identify the unknown number in a multiplication or division sentence relating 3 whole numbers for the 9s [E12].

See the Letter Home for targeted practice.

GG. Fact Family Quiz: 9s

  1. Write a related division problem for each multiplication problem.
    1. 3 × 9 =            ÷ =
    2. × 6 = 54          ÷ =
    3. 9 × = 72          ÷ =