Crack the Code - Interactive HCF and LCM - mobile compatible

Crack the Code Interactive Excel spreadsheet with questions on Highest Common Factor (HCF) Lowest Common Multiple (LCM).

• It is compatible with any device that can have Excel installed on it - PC, Mac, smartphone, tablet.

• Immediate feedback to say whether an answer is correct - green and white for correct, yellow and red for wrong.

• Running total of correct and wrong answers as well as percentage answered correctly displayed at the top.

• Users can change the background colour to help improve accessibility.

• When the code has been cracked why not get learners to change the numbers in the questions to create their own version/s?

Created by Amanda Austin @draustinmaths

Adapted for Excel by Roger Cookson @rcook3sc