r/mathpuzzles

â–˛ 9 r/mathpuzzles+8 crossposts

Can you reach 46 using all dice?

Use each die exactly once.
Any order is allowed.
Parentheses are allowed.
Exact division only.
No negative numbers.
Not every operation has to be used.

How many solutions can you find?

Please use spoiler tags for solutions:
&gt;!your solution here!<

u/TargetLabs — 7 days ago
â–˛ 2 r/mathpuzzles+2 crossposts

Find the rule — what number replaces the "?"

Each pair of numbers combines into the number below using the same rule. Figure out the rule from the first three pairs, then solve the last one.

u/ZoranRajkov — 5 days ago
â–˛ 0 r/mathpuzzles

​Can you pass this viral 7th-grade math test without messing up the precedence?

90% of adults fail this because they forget how grouping and implicit multiplication interact. Work through it carefully from step by step. What is your final answer, and where do most people slip up?"

u/EQUATIONLY — 9 days ago
â–˛ 3 r/mathpuzzles+1 crossposts

Move exactly 1 matchstick to fix this equation. There are at least 3 valid solutions—can you find them all?

u/RealNovaPuzzle — 10 days ago