Lesson 5

Subtraction

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 12, 2, 6 × 2 = 12, 12 ÷ 2 = 6
  2. 36, 36, 36 ÷ 4 = 9
    36 ÷ 9 = 4
  3. 15, 15, 15 ÷ 5 = 3, 15 ÷ 3 = 5
  4. 16, 2, 2 × 8 = 16, 16 ÷ 2 = 8
  5. 21, 21, 21 ÷ 3 = 7, 21 ÷ 7 = 3
  6. 3, 12, 12 3 4, 3 4 12
  7. 45, 5, 5 × 9 = 45, 45 ÷ 5 = 9

Ongoing Assessment

Use DPP Bit S to assess students' fluency with fact families [E13].

See the Letter Home for targeted practice ideas.

S. Fact Families Quiz

Solve each pair of related facts. Then name two other facts in the same fact family.

    1. 2 × 6 =
    2. 12 ÷ 6 =
    1. 4 × 9 =
    2. 9 × 4 =
    1. 5 × 3 =
    2. 3 × 5 =
    1. 8 × 2 =
    2. 16 ÷ 8 =
    1. 7 × 3 =
    2. 3 × 7 =
    1. 12 ÷ 4 =
    2. 4 × 3 =
    1. 9 × 5 =
    2. 45 ÷ 9 =