Stage: 2 Challenge Level: 
What are four lots of twenty five?
What does this tell you about the total number of prisoners in the corner cells?
What does this tell you about the total number of prisoners in the corner cells?
Visualising. Factors and multiples. Trial and improvement. Practical Activity. Interactivities. Working systematically. Investigations. Multiplication & division. Addition & subtraction. Combinations.
Published March 1999.
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