These math stumpers come from Marcy Cook's Primary Starters and Stumpers. The #s I write next to the stumpers are for me to remember which ones I have given to you. Enjoy trying to figure out the answers to these problems. Don't forget to comment.
Math Stumper #22
How many nines are there between 1 and 110?
Math Stumper #23
1+11+111=1111
Move one of these lines to make a true equation.
Math Stumper #25
Take the 1st dozen even counting numbers. Put them in pairs. The sums of the pairs should all be the same.
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17 comments:
i didn't really understand any of these problems
My sister is in the prosess of reading all of those books!!!
my sister is only in the prosecess of reading twilight, eclipse,and new moon
Mel, here's a hint for #23... Don't think of the number 1s as numbers. Think of them as straight lines.
I don't understand #25 at all. It's so confusing!!
I have 2 solutions to #23. 1st is you could move the single one and put it with the total and it would equal 11111 still. And you could also delete two instead of one. Well, are theese right??!! And I still don't get #25!!!!!
P.S. I son't think theese are right because your not taking one away. I'm either taking 2 away or moving one!!!! :)
My siter has all of the books on the front ecxept the Glass Castle!
She's actually read the whole series of Twilight!!
Can you please put somemore Math Stumpers on the front page please?
My brain has barely any energy of STUMPINGNESS!!!!!!
P.S. I don't think stumpingness is a word but still!!!!!!
#22 is so easy
i don't get #23 at all
my mom has read all those books!
how about we put on a lot of multipication problems
Okay here is a HUGE hint for #23...use them as tally marks.
i still don't get it!! will u put some more on here???????
plaese put more stuff on
PLEASE give us more!!!!
i don't get the point of math stumper #25.
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