. . . is a number puzzle with the same concept as my FlagMath card game. The Addition, Subtraction, Multiplication and Division versions are all available to buy now. Below is an example of a typical multiplication challenge.
Each of the nine letters, A-I, in the two sections below contains a multiplication calculation:
- Section 1
E:9×4 H:6×5 G:8×2 A:6×4 D:10×2 I:4×3 F:5×2 B:8×3 C:7×5
- Section 2
F:6×6 I:9×3 A:5×3 H:4×4 C:3×3 E:8×2 B:7×4 D:5×4 G:10×3
Which is the only letter to have the SAME answer in BOTH sections?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 2nd & 3rd columns of the playing board contain the following fourteen numbers:
2 4 10 12 15 16 17 33 35 45 48 70 80 81
Find the square root of each of the square numbers listed above. What is their sum?
. . . can be found when clicking this.