1 out of 3
How good are you at estimating angles?
1 out of 3
Play this game and see if you can figure out the computer's chosen number.
1 out of 3
What can you discover about adding and subtracting sets of consecutive numbers?
1 out of 3
By choosing to add numbers from 1-4, can you hit the target number in this game?
1 out of 3
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
1 out of 3
Use your knowledge of place value to try to win this game. How will you maximise your score?
1 out of 3
In these multiplication and division games, you'll need to think strategically to get closest to the target.
2 out of 3
The sum of the numbers inside an envelope is written on the outside. What could the numbers be?
2 out of 3
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
2 out of 3
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
1 out of 3
A game in which players take it in turns to choose a number. Can you block your opponent?
3 out of 3
How many solutions can you find to this sum? Each of the different letters stands for a different number.
1 out of 3
Can you find six numbers to go in the daisy from which you can make all the numbers from 1 to a number bigger than 25?
1 out of 3
In how many ways can you fit all three pieces together to make shapes with line symmetry?
1 out of 3
Are these games fair? How can you tell?
1 out of 3
Find the frequency distribution for ordinary English, and use it to help you crack the code.
1 out of 3
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?
1 out of 3
I'm thinking of a rectangle with an area of 24. What could its perimeter be?
1 out of 3
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
1 out of 3
Can you crack these cryptarithms?
1 out of 3
A colourful cube is made from little red and yellow cubes. But can you work out how many of each?
1 out of 3
How many ways can you find to put in operation signs (+, −, ×, ÷) to make 100?
1 out of 3
Choose some fractions and add them together. Can you get close to 1?
1 out of 3
In the 2020 Olympic Games, sport climbing was introduced for the first time, and something very interesting happened with the scoring system. Can you find out what was interesting about it?
2 out of 3
If you move the tiles around, can you make squares with different coloured edges?
2 out of 3
A 2 by 3 rectangle contains 8 squares and a 3 by 4 rectangle contains 20 squares. What sizes of rectangle contain exactly 100 squares? Can you find them all?
