Find the shortcut to do this calculation quickly!
Without using a calculator, or performing any long multiplication calculations, find the value of
This problem is taken from the World Mathematics Championships
Age 14 to 16
Find the shortcut to do this calculation quickly!
Without using a calculator, or performing any long multiplication calculations, find the value of
This problem is taken from the World Mathematics Championships
Age 14 to 16
NRICH provides thousands of free online mathematics resources for ages 3 to 18, covering all stages of early years, primary and secondary school education – completely free and available to all.
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SciTech Institute is a nonprofit organization dedicated to enhancing and promoting STEM education and awareness in Arizona and beyond. It works to achieve this through some of the strongest STEM initiatives in Arizona, including the Arizona SciTech Festival, the Chief Science Officers program, the RAIN grant, the Arizona STEM School Community of Practice, Science For All and more.
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Tempe, AZ 85282
SciTech Institute is a collaborative initiative with the Arizona Commerce Authority and the Arizona Technology Council Foundation.