

History of numbers: Mayan numbers  

Find
out about the Mayan number system: mental arithmetic problemsolving. Click underneath a number to reveal its value.

SATtype questions  


Number sequences: formulas
















Solving problems  
M21: Wall puzzles


Example of Shape Puzzle 1 
Shape
Puzzles M22:
Shape
Puzzle 1 M23:
Shape
Puzzle 2 M24:
Shape
Puzzle 3 


Multiplication
tables


Magic
Squares


Solve simple equations

Solving problems: functions  
Functions


Functions M36: Mystery calculator : what functions do the 9 mystery buttons carry out? 

Functions M37: Function machines : one or two function machines 
Find the missing digits  

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