Lesson 6

Workshop: Add and Subtract Fractions

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. Closer to 3
  2. Closer to 2
  3. Closer to 2
  4. Closer to 2
  5. Closer to 3
  6. Closer to 2
  7. First I changed 31/10 to 31/10 and 4/5 to 8/10. Then I subtracted 31/10 − 8/10 = 23/10 or 23/10.

T. Add and Subtract Mixed Numbers

Estimate the sums and differences for each problem below. Choose the closest benchmark.


Benchmarks

  1. 12/3 + 6/5 = Closer to 2          Closer to 3
  2. 23/4 − 8/10 = Closer to 1          Closer to 2
  3. 31/10 − 4/5 = Closer to 2          Closer to 3
  4. 23/4 − 7/8 = Closer to 1          Closer to 2
  5. 4/3 + 1/2 + 5/4 = Closer to 2          Closer to 3
  6. 11/2 + 1/5 + 6/10 = Closer to 2          Closer to 3
    7. Show or tell how to find the exact answer for Question 3.