This collection is one of our Primary Curriculum collections - tasks that are grouped by topic.
![One Wasn't Square](/sites/default/files/styles/medium/public/thumbnails/content-02-07-penta1-icon.gif?itok=IHembGmh)
problem
One Wasn't Square
Mrs Morgan, the class's teacher, pinned numbers onto the backs of three children. Use the information to find out what the three numbers were.
![All the Digits](/sites/default/files/styles/medium/public/thumbnails/content-02-09-penta1-icon.png?itok=nuAeRKtn)
problem
All the Digits
This multiplication uses each of the digits 0 - 9 once and once only. Using the information given, can you replace the stars in the calculation with figures?
![Cycling Squares](/sites/default/files/styles/medium/public/thumbnails/content-03-01-penta3-icon.gif?itok=HWC6En86)
problem
Cycling Squares
Can you make a cycle of pairs that add to make a square number using all the numbers in the box below, once and once only?
![Trebling](/sites/default/files/styles/medium/public/thumbnails/content-03-11-penta1-icon.gif?itok=Gu7SmX2J)
![Multiplication Square Jigsaw](/sites/default/files/styles/medium/public/thumbnails/content-id-5573-icon.png?itok=kBx8oZ5E)
![Shape Times Shape](/sites/default/files/styles/medium/public/thumbnails/content-id-5714-icon.png?itok=Pu4-NNY7)
problem
Shape Times Shape
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
![What Do you Need?](/sites/default/files/styles/medium/public/thumbnails/content-id-5950-icon.png?itok=wgqMJ7pg)
problem
What Do you Need?
Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number. Can you sort out the clues and find the number?
![Three Dice](/sites/default/files/styles/medium/public/thumbnails/content-id-6719-icon.png?itok=cahapRQD)
problem
Three Dice
Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?
![How do you do it?](/sites/default/files/styles/medium/public/thumbnails/content-id-6901-icon.gif?itok=DU3xchZB)
problem
How do you do it?
This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.
![Table patterns go wild!](/sites/default/files/styles/medium/public/thumbnails/content-id-6924-icon.png?itok=_L0q3bAS)
problem
Table patterns go wild!
Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.
![Journeys in Numberland](/sites/default/files/styles/medium/public/thumbnails/content-id-7285-icon.jpg?itok=G_TGMSH-)
problem
Journeys in Numberland
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
![Ordering cards](/sites/default/files/styles/medium/public/thumbnails/content-id-8058-icon.png?itok=dNwJ9YCR)
problem
Ordering cards
This problem is designed to help children to learn, and to use, the two and three times tables.
![Let us divide!](/sites/default/files/styles/medium/public/thumbnails/content-id-8308-icon.png?itok=aX9M_8zD)
problem
Let us divide!
Look at different ways of dividing things. What do they mean? How might you show them in a picture, with things, with numbers and symbols?
Image
![Primary Multiplication and Division STEM footer Primary Multiplication and Division STEM footer](/sites/default/files/styles/large/public/thumbnails/content-id-13497-STEMlogo.png?itok=DxZSsnZn)
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.