Reflection: Adjustments to Practice Master those Area and Perimeter Word Problems with Strategies! - Section 2: A Hands on Situation: Discovering How Factor Pairs Help


I really liked using these tiles, but was perplexed when students couldn't understand perimeter from looking at them. What I decided to do next time was to take a ball of yarn and have them measure the outside with the ball of yarn and cut it. Then I will have them measure the yarn and compare it to counting the tiles. It should be the same if done accurately. That way, they can see that perimeter is "around" and that two sides of the corner tiles need to be included. They didn't want to count the two sides on the corner tile thinking it was already included in the perimeter. I was confused by their thinking on this, because it is technically counted twice for area. Interesting stuff goes on when delving into the why of CCSS!

  If I were to do this again...
  Adjustments to Practice: If I were to do this again...
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Master those Area and Perimeter Word Problems with Strategies!

Unit 2: Metric Measurement
Lesson 15 of 18

Objective: SWBAT solve metric area and perimeter word problems.

Big Idea: Language, drawing diagrams, connections to factor pairs and arrays help students solve those confusing metric word problems!

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area and word problem
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