A great non calculator starter activity for high school students using their birthday. More capable students can generalise the 'trick' using algebra. Please note step 8 is written in DD/MM/YY format for USA folk.
6th - 10th
Math, Mental Math
$2.00
Original Price $2.00
Rated 5 out of 5, based on 1 reviews
5.0 (1)
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