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Starter of The Day Transum Mathematics Topics

Topics: Starter | Arithmetic | Number | Puzzles | Ratio

C. J. Southward, Limehouse Cumbria
In the product question the solutions do not include the double negative
solutions.
Transum,
Thanks CJ. That has now been allowed for in the answers below.
6N, Charnwood Primary School
We really enjoyed this and some of us thought it was easy - However we haven't tried the hard numbers yet!
Ms Robyn, ABCIS In Vietnam
This was fun, the harder numbers made us think! We were very pleased that some of us managed to get the product answer to the 'hard' level without a calculator.

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Answers

1. 1 and 39 or 3 and 13 (and their negatives).

2. 1 and 9. Could there be any other solutions?

3. 3, 3 and 31 or 3, 5 and 29 or 3, 11 and 23 or 3, 17 and 17 or 5, 13 and 19 or 7, 7 and 23 or 7, 11 and 19 or 7, 13 and 17 or 11, 13 and 13.

4. 22 and 6 or 44 and 12 or 66 and 18 or ...

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 a button below to regenerate another version of this starter from random numbers.

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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=June4

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.

Transum.org/go/?to=what

A Mathematics Lesson Starter Of The Day

Answers