MathematicalPuzzles.com
Brain teasers with 9 numbers
Heute ist Samstag der 18. September 2021, 11:37 Uhr
Home
Mathematical puzzles
Math problems
5 numbers for pupils
Brain teasers
Puzzles with 9 numbers
For parents
How to motivate kids
Puzzles printout
Download now for free
Number puzzles as mental jogging from 10 years upwards
After filling out the empty squares you simply click on the 'Finished...' button, to check if you have the right solution. The button 'I give up...' will display the answer.
327.572 number puzzles online:
The numbers from 1 to 9 can only be used once in the squares...
without applying the multiplication/division ahead of addition/subtraction rule!
67
[

]
[
All pattern...
1 + ? x 7  2 : ? + 6 x 3  ? : 8
1 + 9 x ?  2 : ? + 6 x ?  5 : 8
? + 9 x 7  2 : ? + 6 x 3  5 : ?
? + 9 x 7  ? : 4 + 6 x ?  5 : 8
1 + 9 x ?  2 : 4 + ? x 3  5 : ?
]
Level:
[



]
The puzzles are free of charge for private or noncommercial use in lessons.
Around 10 minutes a day spent practising are well worthwhile!
© MathematicalPuzzles.com 
Contact + Imprint