About Average
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Can you find the connections between linear and quadratic patterns?
Aisha's division and subtraction calculations both gave the same answer! Can you find some more examples?
Isometric Areas explored areas of parallelograms in triangular units. Here we explore areas of triangles...
Is there an efficient way to work out how many factors a large number has?
Take any four digit number. Move the first digit to the end and move the rest along. Now add your two numbers. Did you get a multiple of 11?
The sum of the numbers 4 and 1 [1/3] is the same as the product of 4 and 1 [1/3]; that is to say 4 + 1 [1/3] = 4 × 1 [1/3]. What other numbers have the sum equal to the product and can this be so for any whole numbers?
Charlie and Abi put a counter on 42. They wondered if they could visit all the other numbers on their 1-100 board, moving the counter using just these two operations: x2 and -5. What do you think?