Most of us aren't born with mental math magic. We develop it overtime through regular practice. Playing fun math games with friends and family helps of course, but if you'd like a little extra practice, check out our free weekly math puzzles.

Proof! is the inspiration behind our infamous, free, online game, the Weekly Challenge Math Puzzles.

Every week on Monday, we release a new math puzzle to help you stretch your brain and flex your math muscles. Each puzzle contains a new set of nine cards that hide a challenging equation. You might be tasked with finding a specific answer or using only one operation.

Some puzzles are more advanced and may be better for adults than children, or may require a team effort to solve.

In this challenge, you're looking to create a "pair", which means **any two of the same number** on the board at the same time. However, you're also **only allowed to use division** to create that pair.

For example, if you had the cards 6, 2, 9, and 3 you could create a pair of 3's with 6 ÷ 2 and 9 ÷ 3. To do so, you would click the 6, then the ÷, then the 2. Then you would click the 9, then the ÷, then the 3. Once the two 3's were on the board, the game would detect the match and you'd win!

In this challenge, you're looking to create a "pair" of 6's, which means **two 6's on the board** at the same time.

For example, if you had the cards 2, 4, 7, and 1 you could create a pair of 6's with 2 + 4 and 7 - 1. To do so, you would click the 2, then the +, then the 4. Then you would click the 7, then the -, then the 1. Once the two 6's were on the board, the game would detect the match and you'd win!

The Proof! Weekly Challenge Math Puzzles play exactly like the classic Proof! card game, except each week you're challenged to find a specific type of equation, rather than just any equation at all.

To play, first **read the title** of the challenge to understand what you're looking for. (Click the if you need more of an explanation.)

Then, start solving it by **clicking a card, then a math symbol, and then another card** to combine those cards using that operation. Once you create **two or more cards with matching values** (called a pair, triplet, etc.) that fit the bill for the challenge, you'll win!

We have over 100 math puzzles in our archives, so you can solve as many as you want or cherry pick your favorites while you wait for the next new one. Access our annual archives here:

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Playing educational games at home often means adapting the rules for kids of different ages and experience levels. We've got you covered with suggestions for how to tweak the rules to make our games fun for everyone.

(Check out the full instructions for Proof! if you haven't already)

Some younger players may be advanced enough to rival even adults, but small modifications may be needed for others to make the game more accessible and fun. Depending on players’ skill levels, try one or more of the following:

- Play without square roots
- Play with numbers only up to 30 or 50
- Play with 12 cards out on the table rather than 9

When playing without any adults, the young dealer may also enjoy sitting out of the game and acting as a moderator, getting to decide who shouted what number first and making sure everyone’s math checks out.

(Check out the full instructions for Snippets if you haven't already)

Snippets Junior is an expansion pack for Snippets with 100 extra cards that are fun for the whole family and ideal for young wordsmiths, ages 6 to 9.

It plays the same way as regular Snippets with one difference: rounds are 2 minutes (or longer) instead of 1 minute. For the best experience, we recommend playing through the deck in order, starting with the A card.

If you don’t have the full Snippets game, simply hand out some paper and pencils, and keep time with the free Snippets Junior smartphone app (downloadable from the iOS store) or any available timer.

Depending on the ages of the children playing and the size of the group, you can also try one or more of these variations to make the game more fun and manageable:**With 1 - 2 children,** try the full game! Just help them with spelling and scoring as needed.**With 3 - 5 children,** we suggest not having them compare answers at all. Players can just get 1 point for each word they write down.**With 6+ children,** try leave out writing and scoring completely. Simply hold up a Snippet and have them shout out words for it!