No Partner

33, 13, 2, 28, 11, 16, 20,
1, 21, 49, 23, 14, 18, 50,
44, 46, 7, 31, 37, 30, 38.

Most of the numbers in the list above can be added to another number in the list to give a sum of 51. Which numbers do not have a partner?

A Mathematics Lesson Starter Of The Day

Starter of The Day Transum Mathematics Topics


Topics: Starter | Arithmetic | Mental Methods | Number

  • Transum,
  •  
  • A quick starter based on a simple mathematical process but good to get students engaged at the beginning of the lesson. Don't forget you can refresh this page to get another version of this starter. You could even use this starter for every Maths lesson in a week to see if strategies are developed and speed increases!
  • Priyanshi.solanki, Darcy Road Public School
  •  
  • I love the transum games, the starter of the day and all the fun stuff.
  • Nischal, Emmanuel Catholic College
  •  
  • This was a very fun starter.

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.
Click here to enter your comments.

Previous Day | This starter is for 30 August | Next Day

 

Answers

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.

Note that you can click on a number to partially hide it. Click it again to show it. This is useful to eliminate all of the pairs to leave only the numbers with no partner showing. The pupil version of this activity is even more interactive. The link is lower down this page.

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Laptops In Lessons

Teacher, do your students have access to computers?
Do they have iPads or Laptops in Lessons?

Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Laptops In Lessons

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=August30

Here is the URL which will take them to a student version of this activity.

Transum.org/go/?to=partner

Student Activity

 

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