Use the keys on this broken calculator to make the totals from one to ten. Five has already been done as an example.

 1 = 2 = 3 = 4 = 5 = 6 = 7 = 8 = 9 = 10 =

Awesome!

Try the pupil version of this activity at:

A Mathematics Lesson Starter Of The Day

More broken calculators at:    Transum.org/go/?to=Broken

Topics: Starter | Arithmetic | Calculator | Puzzles

• Miss P, Liverpool
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• I used this for my bottom set children in Primary school year 5 and it kept them busy for 50 minutes out of an hour lesson. Really impressed, please use more of this.
• Chloe Burns, Holyrood Secondary School
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• I thought this was a really frustrating starter but it was very enjoyable. It took me 20 minutes to finish but it was worth it in the end.
• Year 7 And 8, T, D, J , L
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• It's good for learning Maths. It works your brain.
• Mr R, St Peters
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• Very good starter. I like these starters where children of all levels can join in and get the concept, whilst the highly motivated can be really challenged.
• Kiefer Kids, Cottage Hill
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• We were able to solve #1-12 and 16 and 18 in 1/2 an hour! We are 5th graders who love math!
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• Class 11 Ermine Primary Academy solved this problem together.
• Bimal Jaggi, India
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• Really fantastic brain game for entry level. Keep up the good work.
• Aidan, Blaxcell Street Public School, Granville
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• Very good starter recommend it to everyone
Year5 did in 5 min.
• Lilly, Girls High School
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• The starter was hard but when I did it even more it got easier by the minute or so. I think it is a good idea for the children and for me. It's a good maths starter for everyone and very enjoyable.
• Mariah A, Coorara Primary School
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• This was really fun as a starter. A hint is to double negatives to make a positive.

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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