Lesson 1

Tens and Ones

Est. Class Sessions: 1

Daily Practice and Problems

Teacher Notes
X

TIMS Task

Answers will vary. Possible responses:

  1. 10 + 10 + 15 + 1 = 36¢
  2. 12 + 12 + 12 = 36
  3. 10 + 10 + 10 + 6 = 36
  4. 15 + 15 + 6 = 36

B. Breaking Numbers into Groups

We can break numbers into groups in different ways. Example: think of 36¢ in coins. Here is a number sentence to show it: 25 + 10 + 1 = 36¢

  1. Think of coins again. Show 36¢ grouped another way.
    Number Sentence: _________________________________________________________
  2. Think of cookies. Show 36 cookies grouped into dozens.
    Number Sentence: _________________________________________________________
  3. Think of tens. Show 36 cubes grouped into tens and leftovers.
    Number Sentence: _________________________________________________________
  4. Show another way to group 36 cubes.
    Number Sentence: _________________________________________________________