SIMP
Seemingly Impossible Math Problem
Open Middle Number Tiles are math puzzles where you fill in all the empty spots in these math equations with any of the digits (0 to 9, or 1 to 9, or however specifically instructed) to make those equations mathematically correct.
There will always be ONE unique solution. Your job is to find it. You can use trial and error or you can try to discover or create new techniques. There is no limit to how many ways to solve these puzzles. Good luck!!!
Fill in all the empty spots in these multiplication problems with any of the digits 0 to 9 to make them correct.
Solutions Below
Which cubes is most filled? A, B, or C? Explain.
Solution
Start the 2 hourglasses together.
When the 7 minute hourglass finishes, turn it over.
When the 11 minute hourglasses finishes, turn the 7 minute hourglass over again.
When the 7 minute hourglass finishes the 15 minutes will be up.
Number Tiles FREEProblemSolvingMathActivitiesforGrades1.pdf