Adrian and Gabrielle collect sea shells. Adrian began a holiday with 550 shells and Gabrielle began with 23 shells.
Each day of the holiday Adrian found 22 shells and Gabrielle found 53 shells on the beach. By the end of the holidays they had the same number of shells in total.
How long was the holiday?
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments:
However it would be better to assign one of the student interactive activities below.
Here is the URL which will take them to an equation generating page.