8/31/26 - Teachers and Parents - You can now purchase a "forever" pass to MrNussbaum.com for $89. Your one-time purchase entitles you and your students to unlimited use of the entire site. It will never recur or renew. An annual subscription can always be purchased for $49 or a monthly subscription for $9.99.

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Practice your counting and number ordering skills by “eating” the number bubbles in their correct numerical order. Each round, the sea horse will shoot out ten number bubbles. If you eat all ten correctly, you will be able to choose one of nine different sea creatures to join you in the next round. Try to order all numbers correctly between 1-100 and earn a gold medal!

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