Total 10 Questions (Please
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1. A mother duck is looking for her ducklings. She finds five of them behind a bush, three behind a rock, and the last three floating on a lake. How many ducklings are there total?
2. A middle school student is working on a project to see how many lakes have been affected by oil. She finds that twenty of the one hundred lakes she researched have been affected by oil at some point. What fraction (reduced) of lakes have been affected by oil?
3. There was an oil spill at a nearby lake. Ten responders arrive to help with clean up. Each responder rescues two ducks. How many ducks total were rescued?