Can you work out what a ziffle is on the planet Zargon?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
A game for 2 or more players with a pack of cards. Practise your
skills of addition, subtraction, multiplication and division to hit
the target score.
Why are some cells more significant than others?
How do you decide which targets are appropriate?
What are effective strategies for placing the numbers?
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