Multiplication and division are connected. Think about the times table facts you have been learning. 3 'multiplied by' 7 makes 21. 7 'times' 3 equals 21. The inverse operation is division. 21 'shared ...
The number 1 has one digit and is divisible by 1; 12 has two digits and is divisible by 2; 123 has three digits and is divisible by 3. Which new digit (not already used) can be added to the end of 123 ...
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