Lesson 3

Workshop: Multiplication Methods

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

C is the most reasonable answer. Possible estimate: It will be larger than 40 × 100 = 4000.

120 × 40 = 4800 and 4662 is close to that.

I. Best Estimate

There are 37 rows of pear trees in the orchard. In each row there are 126 trees. Estimate about how many pear trees there are altogether. Use your estimate to decide which of the following is the most reasonable answer. Fill in the circle by the answer you choose.

  1. 1608
  2. 3415
  3. 4662
  4. 44,442