Grade
4

Same & Different: World Records

Look at the numbers in these two record-breaking facts. What do you notice?

A. In 2014, a man broke a world record by smashing one hundred fifty-five walnuts with his forehead. B. In 2018, 1,000 + 500 + 50 people broke a world record by forming the largest human image of a wheelchair accessibility symbol.
  1. How are the numbers in A and B mathematically the same, and how are they different?
    • A and B are the same because …
    • A and B are different because …
  2. Show a third number. Explain how yours is the same as numbers A and B, and how it is different.