Which of the coloured stencils will fit over the numbered card to produce correct calculations?
Teacher: The stencils can be dragged over the numbered card once the students have had a guess.
Topics: Starter | Arithmetic | Problem Solving
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Extension question: If all three stencils are placed over the numbered card at the same time, which digits can still be seen?
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=February24 However it would be better to assign one of the student interactive activities below. |
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Here is the URL which will take them to a puzzling student activity.