Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Use these four dominoes to make a square that has the same number of dots on each side.
Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?
Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?
There are six numbers written in five different scripts. Can you sort out which is which?
On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?
Can you use the information to find out which cards I have used?
Can you find all the ways to get 15 at the top of this triangle of numbers? Many opportunities to work in different ways.
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?
Use the 'double-3 down' dominoes to make a square so that each side has eight dots.
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
Tim had nine cards each with a different number from 1 to 9 on it. How could he have put them into three piles so that the total in each pile was 15?
Use your logical thinking skills to deduce how much Dan's crisps and ice cream cost altogether.
Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
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?
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?
