Find two numbers whose sum is 10 and product is 24.
Find two numbers whose sum is 43 and product is 406.
Find two numbers whose sum is 21.5 and product is 105.
Topics: Starter  Arithmetic  Number  Simultaneous Equations
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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: Transum.org/go/?Start=December3 However it would be better to assign one of the student interactive activities below. 

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Transum.org/go/?to=FactorPairs