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Generating Algebraic Expressions Diagnose
Target Level
1-3
Running Total
0
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Attempt
1 of 1
Generating Algebraic Expressions
a) Caroline counts out 12 piles of x marbles onto her table. How many marbles does Caroline have?
b) See the pattern above. How many crosses will there be when there are:
i) 4 dots?
ii) n dots? Give your answer without any spaces.