https://padlet.com/bofficemar/cpbonngb1i5t471t Yay maths en-us 2020-11-19 11:01:40 UTC 2021-05-07 08:35:34 UTC hello@padlet.com bofficemar https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501415377 Collapsing Bridge

A bridge will collapse in 17 minutes.
4 people want to cross it before it will collapse. It is a dark night and there is only one torch between them.
Only two people can cross at a time.
"A" takes a minute to cross.
"B" takes 2 minutes.
"C" takes 5 and "D" takes 10 minutes
How do they all cross before the bridge collapses?

Find the value of the letters

ABC + DEF = GHIJ]]> 2021-05-07 07:50:38 UTC https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501415377 bofficemar https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501418939 https://www.topmarks.co.uk/maths-games/hit-the-button 


]]> 2021-05-07 07:52:30 UTC https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501418939 bofficemar https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501434465 You can use Khan https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-2-step-equations-intro/e/linear_equations_2 to recap before trying some questions.]]> 2021-05-07 08:00:36 UTC https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501434465 https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501506647 2021-05-07 08:35:34 UTC https://padlet.com/bofficemar/cpbonngb1i5t471t/wish/1501506647