Lesson 4

Addition with Triangle Flash Cards

Est. Class Sessions: 1

Daily Practice and Problems

Teacher Notes
X

Encourage students to share their strategies and to record number sentences for each. Have connecting cubes and number lines readily available.

  1. 12 crayons; 7 + 5 = 12
  2. 3 pencils; 11 − 8 = 3 or 8 + 3 = 11

L. School Supplies

Solve and show a number sentence.

  1. Jason has a box of 7 crayons. His friend gives him 5 new crayons. How many crayons does Jason have now?


    Number sentence ________________________________
  2. Emily has 11 pencils. She keeps 8 at school and brings the rest home. How many pencils does Emily bring home?


    Number sentence ________________________________