Chris McMullen
ASIN: B0076D2QGA
Publisher: Amazon.com Services LLC
Pages: 364

This eBook includes 180 digital subtraction flash cards in color (where color is available). Each flash card is decorated with smiley faces and looks just like the flash cards depicted on the thumbnail image for the cover of this eBook.The 180 subtraction flash cards include two sets of 1-1 thru 18-9. All of the flash cards are shuffled.The reason that all of the flash cards are shuffled (unlike our matching addition flash cards book, where the first set is in order and the second set is shuffled) is that kids who have already tried to memorize their addition facts should be able to learn the subtraction facts by understanding how subtraction relates to addition. For example, if you know that 6 plus 5 equals 11, by understanding what subtraction means, you can deduce that 11 minus 5 equals 6. Therefore, instead of putting the first set of subtraction flash cards in order, we thought ...
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