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Version devBuilt at: 2026-10-10 01:38:52 EDT

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@creouts.bsky.socialOct 10, 2026, 4:33 AM

Check each brick against the two below it. row 4: 13 should be 15 (28 - 13 = 15).

Want more? Find the Wrong Brick is a whole book of them.

amazon.com/dp/B0HHMXW3DJ
creouts.com/puzzle-of-the-week/

#numberpyramid #mathpuzzle #brainteaser

Wrong-brick pyramid, easy, 4 rows. Every brick should be the sum of the two bricks below it, but one brick (sometimes two) is wrong. Top to bottom: row 1: 68; row 2: 23, 45; row 3: 6, 17, 28; row 4: 4, 2, 15 (corrected), 13.
@creouts.bsky.socialOct 10, 2026, 4:33 AM

Puzzle time: Wrong brick (easy). Every brick should be the sum of the two below it, but one is wrong. Which? Answer in the reply.

#numberpyramid #mathpuzzle #brainteaser

Wrong-brick pyramid, easy, 4 rows. Every brick should be the sum of the two bricks below it, but one brick (sometimes two) is wrong. Top to bottom: row 1: 68; row 2: 23, 45; row 3: 6, 17, 28; row 4: 4, 2, 13, 13.
@creouts.bsky.socialOct 7, 2026, 10:18 PM

Work from what you know. row 4, brick 1: 7 - 3 = 4; row 4, brick 3: 4 - 3 = 1; row 3, brick 3: 1 + 8 = 9, and so on.

Want more? The Big Book of Math Pyramids is a whole book of them.

amazon.com/dp/B0H7S29FWT
creouts.com/puzzle-of-the-week/

#numberpyramid #mentalmath #brainteaser

Sum pyramid, easy, 4 rows. Each brick is the sum of the two bricks below it. Top to bottom: row 1: 24; row 2: 11, 13; row 3: 7, 4, 9; row 4: 4, 3, 1, 8.
@creouts.bsky.socialOct 7, 2026, 10:17 PM

Puzzle time: Sum pyramid (easy). Fill every empty brick: each brick is the sum of the two below it. Answer in the reply.

#numberpyramid #mentalmath #brainteaser

Sum pyramid, easy, 4 rows. Each brick is the sum of the two bricks below it. Top to bottom: row 1: blank; row 2: 11, blank; row 3: 7, 4, blank; row 4: blank, 3, blank, 8.