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Pat has no more than $20$ sweets in a bag.
She counts her sweets in groups of two. She has one left over.
Then she counts her sweets in groups of five. She has $2$ left over.
How many sweets could Pat have? Is there another answer?
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?