Lesson 2

Estimate Volume with Cube Models

Est. Class Sessions: 1–2

Daily Practice and Problems

Teacher Notes
X

Students generalize addition facts from Group B to multiples of ten. Have the 100 Chart readily available.

5 + 2 = 7 could stand for 5 pennies plus 2 pennies. 50 + 20 = 70 could stand for 5 dimes plus 2 dimes.

  1. 7¢
  2. 70¢
  3. 8¢
  4. 80¢
  5. 8¢
  6. 80¢

F. Pennies and Dimes

  1. 5¢ + 2¢ = ________
  2. 50¢ + 20¢ = ________
  3. 3¢ + 5¢ = ________
  4. 30¢ + 50¢ = ________
  5. 6¢ + 2¢ = ________
  6. 60¢ + 20¢ = ________