Lesson 5

Break-Apart Products

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

This DPP item provides practice with square numbers.

  1. 81; 81 ÷ 9 = 9
  2. 25; 25 ÷ 5 = 5
  3. 49; 49 ÷ 7 = 7
  4. 64; 64 ÷ 8 = 8
  5. 100; 100 ÷ 10 = 10
  6. 9; 9 ÷ 3 = 3
  7. 36; 36 ÷ 6 = 6
  8. 16; 16 ÷ 4 = 4
  9. 1; 1 ÷ 1 = 1

Q. Fact Families for the Square Numbers

The square numbers have only two facts in each fact family. For example, the following two facts are in the same fact family.

  1. 2 × 2 = 4 and 4 ÷ 2 = 2

Solve each fact. Then, write the second fact in the same fact family.

  1. 9 × 9 = ______

    _______________

  2. 5 × 5 = ______

    _______________

  3. ______ = 7 × 7

    _______________

  4. 8 × 8 = ______

    _______________

  5. 10 × 10 = ______

    _______________
  6. ______ = 3 × 3

    _______________
  1. ______ = 6 × 6

    _______________
  2. 4 × 4 = ______

    _______________
  1. 1 × 1 = ______

    _______________