problem
Zios and Zepts
Age
7 to 11
Challenge level
On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?
problem
Multiplication Square Jigsaw
Age
7 to 11
Challenge level
Can you complete this jigsaw of the multiplication square?
problem
Four-digit targets
Age
7 to 11
Challenge level
You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?
problem
Nice or Nasty
Age
7 to 14
Challenge level
There are nasty versions of this dice game but we'll start with the nice ones...
problem
Reasoned Rounding
Age
7 to 14
Challenge level
Four strategy dice games to consolidate pupils' understanding of rounding.
problem
Count Me In
Age
7 to 11
Challenge level
How do you know whether you will reach these numbers when you count in steps of six from zero?
problem
Fractions in a Box
Age
7 to 11
Challenge level
The discs for this game are kept in a flat square box with a square hole for each. Use the information to find out how many discs of each colour there are in the box.
problem
Multiples Grid
Age
7 to 11
Challenge level
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?
problem
Table patterns go wild!
Age
7 to 11
Challenge level
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.