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There are 4 NRICH Mathematical resources connected to NC-ProblemSolvingAS-R1-Y4, you may find related items under NC.
Broad Topics > NC > NC-ProblemSolvingAS-R1-Y4Can you use the information to find out which cards I have used?
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?