1 out of 3
In this game the winner is the first to make the total 37. Is this a fair game?
2 out of 3
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?
2 out of 3
Can you go through this maze so that the numbers you pass add to exactly 100?
2 out of 3
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
2 out of 3
Find at least one way to put in some operation signs to make these digits come to 100.
2 out of 3
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
2 out of 3
Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?
2 out of 3
Can you work out which three numbers were pinned onto these children's backs?
2 out of 3
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
2 out of 3
Can you make square numbers by adding two prime numbers together?
