Multiplication and division by 10, 100, 1000 card sort

Twenty six cards, each with an answer and a separate question on multiplication and division by 10, 100 and 1000, to make a classroom treasure hunt. The cards are differentiated into three levels:

• Red - multiplying by 10
• Amber - multiplying by 10 or 100 and dividing by 10
• Green - multiplying or dividing by 10, 100 or 1000