Time Trials

Focus your mind and prepare to use your brain.

Discuss with your teacher the level of difficulty for the Time Trials.

Click a button to begin.


4 × 8


5 × 14


26 × 55

Dial Dial

Topics: Starter | Arithmetic

  • Transum,
  • Discussion point: In your head do you add the tens or ones (units) first? Pencil and paper methods usually deal with the ones first and the carry over is included in the addition of the tens but mentally, it has been argued, it is better to deal with the most significant digits first. What is your strategy?

How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
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Previous Day | This starter is for 24 March | Next Day


This interactive Starter generates mental arithmetic questions and displays them sequentially on the screen at the front of the classroom. Students are allotted a specific amount of time, adjustable by the teacher, to write down their answers. By default, the answers are displayed on the screen when the allotted time expires, but this setting can also be altered by the teacher. To begin, select a difficulty level for the Time Trials; you can further fine-tune the variables later.

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Laptops In Lessons

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.

Laptops In Lessons

Here is the URL which will take them to a related student activity.


Student Activity


Curriculum Reference

See the National Curriculum page for links to related online activities and resources.


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