Lesson 7

Workshop: Large Numbers

Est. Class Sessions: 1–2

Daily Practice and Problems

Teacher Notes
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TIMS Bit

  1. 5 × 12 = 60 tiles

    
  2. 5 + 5 + 12 + 12 = 34 inches

W. Square-Inch Tiles

Grace used square-inch tiles to make a rectangle. Grace's rectangle was 5 inches wide and 12 inches long.

  1. How many square-inch tiles did Grace use to make her rectangle? Show or tell how you know.
  2. What is the perimeter of Grace's rectangle? Show or tell how you know.