Lesson 3

Doubles and Halves

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

  1. 34, 36, 38, 40, 42, 44, 46
  2. 20, 25, 30, 35, 40, 45, 50, 55, 60
  3. 18, 17, 16, 15, 14, 13, 12, 11, 10

After students have filled in the patterns, have them say the entire string aloud.

H. Patterns on the 100 Chart

Write the missing numbers to complete the patterns. Use the 100 Chart.

  1. 34, 36, 38, ______, ______, 44, 46

  2. 20, 25, 30, ______, 40, 45, 50, ______, ______

  3. 18, 17, ______, 15, 14, ______, ______, 11, ______