Brainteasers

Puzzles to test mathematical skills, set by Anita Straker. Solutions below More brainteasers on www.tes.co.ukteacherbrainteasers

Age 6-8

Number rhyme

I'm a two-digit number for sure, My digits subtracted make four.

Their sum is just eight, So I say to you, mate, If you can't find me now, I'll be sore!

Age 10-13 Richer or poorer

In January, Yasir checked the savings in his bank account. In June, he checked them again. He had 10 per cent less than he had in January. He checked them again in December. He had 10 per cent more than he had in June.

In which month did Yasir have the greatest amount of savings in his bank account?

SOLUTIONS Number rhyme: 26 or 62. Richer or poorer: Yasir has the most savings in his account in January. Assume he had pound;100 in January. Then he had pound;90 in June. In December, his savings had increased by 10 per cent of pound;90 - pound;9 - giving him a total of pound;99.

It only takes a moment and you'll get access to more news, plus courses, jobs and teaching resources tailored to you

Latest stories

• Exclusive: NEU facing strikes from both sections of workforce

Hélène Mulholland
16 July 2018
• Exclusive: Future of Educating Greater Manchester in doubt

Martin George
16 July 2018

Helen Ward
16 July 2018

Kirsti Lord
16 July 2018
• Are we witnessing an educational ‘Northern Spring'?

Libby Nicholas
16 July 2018
• 'Despite success, Sats results day left us hollow'

Siobhan Collingwood
16 July 2018
• 'Does Ofsted even understand British Values?'

Anjum Peerbacos
16 July 2018

Mark Enser
16 July 2018
• Exclusive: Industrial action over teachers' pay 'on the cards'

Hélène Mulholland
16 July 2018

George Ryan
16 July 2018