2 out of 3
By considering powers of (1+x), show that the sum of the squares of the binomial coefficients from 0 to n is 2nCn
1 out of 3
Can you work through these direct proofs, using our interactive proof sorters?
1 out of 3
Can you find the distance between the two trees using the information given?
2 out of 3
Your vessel, the Starship Diophantus, has become damaged in deep space. Can you use your knowledge of times tables and some lightning reflexes to survive?
2 out of 3
25 students are queuing in a straight line. How many are there between Julia and Jenny?
2 out of 3
Can you use this information to work out Charlie's house number?
1 out of 3
The clockmaker's wife cut up his birthday cake to look like a clock face. Can you work out who received each piece?
2 out of 3
Using the numbers 1, 2, 3, 4 and 5 once and only once, and the operations x and ÷ once and only once, what is the smallest whole number you can make?
2 out of 3
Use the fraction wall to compare the size of these fractions - you'll be amazed how it helps!
2 out of 3
Can you fit the tangram pieces into the outline of the candle?
