Lesson 2

In Twos, Threes, and More

Est. Class Sessions: 3

Daily Practice and Problems

Teacher Notes
X

TIMS Task

After students write down their answers, let them discuss their strategies as well as their answers.

  1. 54
  2. 48
  3. 61
  4. 41
  5. 25
  6. 100
  7. 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 30 wheels or 15 × 2 = 30 wheels

H. Number of Bikes

There are 51 bikes at the school. Use a number line to help you complete the following statements.

  1. 3 more than 51 is ________.
  2. 3 less than 51 is ________.
  3. 10 more than 51 is ________.
  4. 10 less than 51 is ________.
  5. About half of 51 is ________.
  6. About twice 51 is ________.
  7. Calculate how many wheels are on 15 bikes. Explain how you found your answer.