Nart Posted September 27, 2012 Share Posted September 27, 2012 I want to buy Math Mammoth Blue 2A so my son can have more practice adding to 20 by making a ten. He is in SM 1A but there aren't enough practice problems that cover addition to 20. He can do them easily with manipulatives but somtimes forgets a step when doing them in his head. I was going to make up some problems but just found out that MM has 55 pages of problems involving adding and subtracting to 20 for only $4.50. Is there a difference between buying through Kagi vs. Currclick? Is one better than the other? Quote Link to comment Share on other sites More sharing options...
nansk Posted September 27, 2012 Share Posted September 27, 2012 I want to buy Math Mammoth Blue 2A so my son can have more practice adding to 20 by making a ten. He is in SM 1A but there aren't enough practice problems that cover addition to 20. He can do them easily with manipulatives but somtimes forgets a step when doing them in his head. I was going to make up some problems but just found out that MM has 55 pages of problems involving adding and subtracting to 20 for only $4.50. Is there a difference between buying through Kagi vs. Currclick? Is one better than the other? Never bought from kagi, but i've bought several items from currclick. It is 100% safe and you can download your items forever. Quote Link to comment Share on other sites More sharing options...
boscopup Posted September 27, 2012 Share Posted September 27, 2012 I've purchased from both without problem. I just picked whichever one was having a 20% off sale each time. :D I think there is usually one about once a month maybe? Quote Link to comment Share on other sites More sharing options...
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