problem
Would You Rather?
Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?
problem
First Connect Three
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
problem
Birdwatch
Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?
problem
Always, Sometimes or Never? Number
Are these statements always true, sometimes true or never true?
problem
The Moons of Vuvv
The planet of Vuvv has seven moons. Can you work out how long it is between each super-eclipse?
problem
Always, Sometimes or Never? Shape
Are these statements always true, sometimes true or never true?
problem
Plenty of Pens
Amy's mum had given her £2.50 to spend. She bought four times as many pens as pencils and was given 40p change. How many of each did she buy?
problem
Number Lines in Disguise
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
problem
Different Deductions
There are lots of different methods to find out what the shapes are worth - how many can you find?
problem
Factor Lines
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
problem
Cut Nets
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?
problem
Factor-Multiple Chains
Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?
problem
Doughnut percents
A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.
problem
Counting Cogs
Which pairs of cogs let the coloured tooth touch every tooth on the other cog? Which pairs do not let this happen? Why?
problem
Making Cuboids
Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?
problem
Pumpkin Pie Problem
Peter wanted to make two pies for a party. His mother had a recipe for him to use. However, she always made 80 pies at a time. Did Peter have enough ingredients to make two pumpkin pies?
problem
Mystery Matrix
Can you fill in this table square? The numbers 2 -12 were used to generate it with just one number used twice.
problem
Ten Hidden Squares
These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?
problem
Two and Two
How many solutions can you find to this sum? Each of the different letters stands for a different number.
problem
Quadrilaterals
How many DIFFERENT quadrilaterals can be made by joining the dots on the 8-point circle?