Lesson 9

Product Bingo

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. 10, 2 × 5 = 10,
    10 ÷ 5 = 2, 10 ÷ 2 = 5
  2. 30, 6 × 5 = 30,
    30 ÷ 5 = 6, 30 ÷ 6 = 5
  3. 25, 25 ÷ 5 = 5, no other facts in this fact family.
  4. 70, 7 × 10 = 70,
    70 ÷ 10 = 7, 70 ÷ 7 = 10
  5. 40, 4 × 10 = 40,
    40 ÷ 4 = 10, 40 ÷ 10 = 4
  6. 100, 100 ÷ 10 = 10, no other facts in this fact family.

Ongoing Assessment

Use DPP Item CC to assess students' abilities to determine the unknown number in a multiplication or division sentence relating three numbers for the facts involving 5s, 10s, and square numbers [E11].

See the Letter Home for targeted practice ideas.

CC. Quiz on Fact Families for 5s, 10s, and Square Numbers

Solve each problem. Then, name the other facts in the same fact family.

  1. 5 × 2 =
  2. 5 × 6 =
  3. 5 × 5 =
  4. 10 × 7 =
  5. 10 × 4 =
  6. 10 × 10 =