Being collaborative

There are 300 NRICH Mathematical resources connected to Being collaborative
Growing Garlic
problem

Growing Garlic

Age
5 to 11
Challenge level
filled star empty star empty star
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Factor-Multiple Chains
problem

Factor-Multiple Chains

Age
7 to 11
Challenge level
filled star filled star empty star
Can you see how these factor-multiple chains work? Find the chain which contains the smallest possible numbers. How about the largest possible numbers?
Route to infinity
problem

Route to infinity

Age
11 to 14
Challenge level
filled star filled star empty star
Can you describe this route to infinity? Where will the arrows take you next?
Fractions jigsaw
problem

Fractions jigsaw

Age
11 to 14
Challenge level
filled star empty star empty star
A jigsaw where pieces only go together if the fractions are equivalent.
Factors and Multiples Puzzle
problem

Factors and Multiples Puzzle

Age
11 to 14
Challenge level
filled star empty star empty star
Using your knowledge of the properties of numbers, can you fill all the squares on the board?
Multiples Grid
problem

Multiples Grid

Age
7 to 11
Challenge level
filled star filled star empty star
What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?
Coordinate Challenge
problem

Coordinate Challenge

Age
7 to 11
Challenge level
filled star empty star empty star
Use the clues about the symmetrical properties of these letters to place them on the grid.
Wallpaper
problem

Wallpaper

Age
5 to 7
Challenge level
filled star filled star empty star
These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?
Domino Sorting
problem

Domino Sorting

Age
5 to 7
Challenge level
filled star empty star empty star
Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?
Real Statistics
problem

Real Statistics

Age
7 to 11
Challenge level
filled star empty star empty star
Have a look at this table of how children travel to school. How does it compare with children in your class?