Check out this NASA link for more opportunities to match the equation to the story.
Share your decisions A, B or C with a reason why you chose the answer that you did!!
For example:
Scientific research has a lot in common with solving number puzzles like SODUKO in order to figure out what stars or planets are doing in space. Use your puzzle solving ability to figure out what event is described by the following number sentences!
1 - Which story matches the sentence 23 – 10 + 6 = 19 ?
A) An astronomer discovers 23 quasars on one photograph, 10 quasars on a second photograph, and 6 additional quasars on a third photograph. How many quasars did she identify?
B) An astronomer spots 23 solar flares on Tuesday and 6 solar flares on Thursday, then decides that 10 of the solar flares were not real. How many real flares did he see?
C) An astronomer counts a total of 19 lunar craters, and classifies 23 of them as asteroid impacts, 6 of them as volcanic calderas and 10 of them as meteor impacts.
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