Lesson 2

Number Line Target

Daily Practice and Problems

Teacher Notes
X

TIMS Task

After students have written down their answers, allow them to discuss their strategies, as well as their answers, in groups or as a class.

    1. 18
    2. 38
    3. 128
    4. 3
    5. Answers may vary. Possible responses include 56 and 60.
    6. Answers may vary. Possible responses include 15 and 14.
    7. 30
    8. 20
  2. Possible response for Question 1A: I started at 28 and moved back 10 to land on 18.

H. Mr. Smith's Third-Grade Class, Part 2

Use your number line or the class number line to help you solve the problems.

 

    1. 28 is ten more than ________
    2. 28 is ten less than ________
    3. 28 is 100 less than ________
    4. 25 + ________ = 28
    5. 28 is about half of ________
    6. 28 is about twice ________
    7. 2 less than ________ = 28
    8. 8 more than ________ = 28
  2. Choose one problem from Question 1. Show or tell how you can solve it using your desk number line.