Lesson 5

Choosing Strategies To Multiply

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. Strategies will vary. Possible response:
    12 × 18 = 216 sq. ft.;

    7 × 8 = 56 sq. ft. is the area of the garden;

    216 – 56 = 160 paving stones.

  2. 7 × 8 = 56 square feet

P. Area

Jackie is helping her father build a patio around a garden using paving stones. Their plans are shown below. Each paving stone is one square foot. Show or tell how to solve the problems without counting all the squares.

  1. How many paving stones will they need?



  2. What is the area of the garden?