Aim high with a task on window washers. An assessment task challenges learners to determine the number of windows two people wash. They do this using a given number of window rows on each side of a building. In addition, they find the amount of time it takes each window washer to clean windows and determine which of the two should get paid more based on production.

Concepts

multiplication, multiplication by 10, arrays

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Have a class debate on the last question regarding who should get paid more
  

Classroom Considerations

• Scholars must be familiar with multiplication, including multiplication by multiples of 10
  
• An understanding of arrays is necessary
• Ninth and final lesson in a series
  

Pros

• Provides student worksheets
• Gives a scoring guide with possible answers
  

Cons

• None

Common Core

3.OA.A.1 3.OA.A.3 3.OA.C.7 3.OA.D.8 3.NBT.A.3