How can we as teachers begin to introduce 3D ideas to young children? Air Nets Age 7 to 18 Challenge Level: Orthogonal Circle Age 16 to 18 Challenge Level: What happens when you enter different numbers? Each of the nets of nine solid shapes has been cut into two pieces. Can you picture it in your head?

Stringy Quads Age 7 to 11 Challenge Level: To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Nine squares with side lengths 1, 4, 7, 8, 9, 10, 14, 15, and 18 cm can be fitted together to form a rectangle. These pictures were made by starting with a square, finding the half-way point on each side and joining those points up. Investigate how the four L-shapes fit together to make an enlarged L-shape.

What shape would fit your pens and pencils best?

Register for our mailing list. Fitted Age 7 to 11 Challenge Level: Can you work out the strategies needed to block your opponent? HTU Arrow Cards hundreds, tens, units, place value.

# Angles, Polygons, and Geometrical Proof :: Regular polygons and circles :

Shape Draw Age 7 to 11 Challenge Level: Use the information on these cards to draw the shape that is being described. Age 7 to 14 Challenge Level: How many different shapes can you make by fitting the four triangles back together?

Can you sort these triangles into three different families and explain how you did it? This series of three articles discusses the development of geometric thinking.

Each solvnig is a different number. This task depends on groups working collaboratively, discussing and reasoning to agree a final product. Arranging Cubes Age 7 to 11 Challenge Level: Choose four different digits from and put one in each box so that the resulting four two-digit numbers add to a total of Writing prompts about problem solving contexts and handling problem icon nov 21, and print free easter maths lessons.

# Super Shapes :

This challenge invites you to explore the difference in the number of small cubes I’ve used. Sweets in a Box Age 7 to 11 Challenge Level: Bracelets Age 7 to 11 Challenge Level: Quad Match Age 7 to 11 Challenge Level: 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.

What shape and size of drinks mat is best for flipping and catching? Can you sort out the clues and find the number? Hi loulou, Thanks for letting us know.

Save the Whale – Number Bonds to Bridging Shuttle – bridging through 10 and 20 addition, adding, bridging. Can you see which pieces go together? Investigate how the four L-shapes fit together to make an enlarged L-shape.

First Forward Into Logo 2: This problem is intended to get children to look really hard at something they will see many times in the next few months. Here are the six faces of a cube – in no particular order. The problem context shape a need for children to use positional language. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

## Working Systematically at KS2

Can you describe the locus of the centre of the circle? Can you find the link between nrih beautiful circle patterns and Farey Sequences? All 5 to 11 7 to 14 11 to 16 14 to 18 Challenge level: