Which is a better fit, a square peg in a round hole or a round peg in a square hole?
At the beginning of the night three poker players; Alan, Bernie and Craig had money in the ratios 7 : 6 : 5. At the end of the night the ratio was 6 : 5 : 4. One of them won $1 200. What were the assets of the players at the beginning of the evening?
A garrison of 600 men has just enough bread ... but, with the news that the enemy was planning an attack... How many ounces of bread a day must each man in the garrison be allowed, to hold out 45 days against the siege of the enemy?
Your class has been asked to raise money for charity, so you decide to sell small cakes at break. Each person is going to make as many cakes as they can. However, the recipe you have is for a tray bake which will cut up into 12 cakes - some people say they can't do that many, others want to do a lot more.
Then you have to decide how much you will charge for the cakes. Clearly you need to cover the cost of ingredients, and you want to make a decent profit for the charity.
When you're satisfied you've sorted all the first set of cards and found connections between them, use these two sets of additional cards (set 1, set 2) and arrows to extend the activity.