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Look at these butterflies and flowers. All of them have a number.
Can you find two butterflies to go on each flower so that the butterfly numbers add to the flower number?
Which pair of butterflies has no flower to go to? Why?
Which flower cannot have a pair of butterflies on it? Why?
Click below to see how three children started this task:
Did you start the problem in the same way as any of these children?
What do you think about each method?
What is the greatest number of squares you can make by overlapping three squares?
Find all the numbers that can be made by adding the dots on two dice.
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?