Lesson 4

Doubles +1, Doubles −1

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
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Make sure students have connecting cubes available. Students can work with a neighbor for problems with larger numbers.

  1. 6
  2. 24
  3. 4
  4. 16

K. Halves and Doubles

Use connecting cubes.

  1. What is half of the number 12? ________
  2. Double 12. What is your new number? ________
  3. What is half of 8? ________
  4. Double 8. What is your new number? ________