The sum of their ages in 3 years: The sum of the ages of Ann, Bob and Chris is 31 years. What will the sum of their ages be in three years time? Some candies were in a bowl. Sally took half of the candies. Then Tom took half of the candies left in the bowl. After that Clara took half of the remaining candies. In the end there were 6 candies in the bowl. How many candies were in the bowl at the beginning? candies A cake weights 900 g. Paul cuts it in 4 pieces. The biggest piece is as heavy as the 3 others weight altogether. What’s the weight of the biggest piece? grams A natural number has three digits. When we multiply the digits we get 135. What result do we get if we add the digits? There are 10 ducks. 5 of these ducks lay an egg every day. The other 5 lay an egg every second day. How many eggs do the 10 ducks lay in a period of 10 days? eggs Fill in the blanks: y = 4x - 5 Add: Add: Subtract: Subtract: Subtract: |