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Treasure Mountain! is an educational video game published by The Learning Company in 1990 [1] for DOS, Windows and Macintosh. It teaches children aged five to nine reading, basic math, and logic skills. [1] Treasure Mountain is the third installment of the Super Seekers series.
Cycles of the unit digit of multiples of integers ending in 1, 3, 7 and 9 (upper row), and 2, 4, 6 and 8 (lower row) on a telephone keypad. Figure 1 is used for multiples of 1, 3, 7, and 9. Figure 2 is used for the multiples of 2, 4, 6, and 8. These patterns can be used to memorize the multiples of any number from 0 to 10, except 5.
The apparent triangles formed from the figures are 13 units wide and 5 units tall, so it appears that the area should be S = 13×5 / 2 = 32.5 units. However, the blue triangle has a ratio of 5:2 (=2.5), while the red triangle has the ratio 8:3 (≈2.667), so the apparent combined hypotenuse in each figure is actually bent.
Mathematics, Magic and Mystery, Dover, 1956. ISBN 0-486-20335-2; Graham, Ron. Juggling Mathematics and Magic University of California, San Diego; Teixeira, Ricardo & Park, Jang Woo. Mathemagics: A Magical Journey Through Advanced Mathematics, Connecting More Than 60 Magic Tricks to High-Level Math World Scientific, 2020. ISBN 978-9811215308.
Ding Yidong magic circles – numbers on each circle (solid colour) sum to 200 and numbers on each diameter (dashed grey) sum to 325. Ding Yidong was a mathematician contemporary with Yang Hui. In his magic circle with 6 rings, the unit numbers of the 5 outer rings, combined with the unit number of the center ring, form the following magic square:
Emmerdale has unveiled a first look at Rhona and Marlon's Christmas shock as they're forced into a change in circumstances with Gus and Ivy.
A most-perfect magic square of order n is a magic square containing the numbers 1 to n 2 with two additional properties: Each 2 × 2 subsquare sums to 2 s , where s = n 2 + 1. All pairs of integers distant n /2 along a (major) diagonal sum to s .
You know, Marlon’s tryin’ to do things in the two-thousand-24. Read more: ‘Guess who’s back!’ Martin Lawrence announces his first comedy tour in eight years