DIY TriMathlon: Smarties Magic Squares

Jan 7, 2015

 

Were you unable to attend our 4th Annual TriMathlon? Do you still want your child to join in the TriMathlon challenge fun? Today we'll share another fun and challenging TriMathlon exercise, Magic Squares, from one of our sponsors, Smarties.

 

Use the numbers above to fill in the blanks below (the last row consists of 1/2, 1/4 and 3/4). Numbers may be used more than once. Give your mathlete 15 minutes to complete the challenge, then grade their answers to make sure the equations they've come up with are correct. Each correct answer is worth 5 points.

 

1. ___ - ___ - ___ = 0


2. 204 - 198 = ___


3. 13 - ___ = 5 + ___


4. 8 - ___ = ___


5. ___ - ___ = 1/2


6. ___ + ___ + ___ = ___


7. 3/4 - ___ = ___


8. ___ - ___ = ___ + ___


9. 16 - ___ = 9 + ___


10. ___ + ___ = 1

 

11. ___ + 4 + ___ = ___


12. 1/2 + 1/4 + ___ = 1 1/4


13. ___ - ___ = 5 1/2

 

14. 6 - ___ + 52 = 56


15. 1000 - ___ = 992 + ___


16. 78 - ___ - ___ = 69 + ___


17. 1/2 + ___ + ___ = 3


18. 1/4 + ___ + 4 = 5


19. 44 - ___ + ___ = 34 + ___


20. 556 - ___ + ___ = 550 1/2

 


How did your mathlete score? Check out our TriMathlon practice tests for more fun Magic Squares exercises! 

 

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