This file contains 48 pages - title, instructions and 46 pages of flashcards.
Odd pages are addition problems and even pages are answers. Designed to be printed out back to back with answers on the reverse side.
The task is to calculate the unknown in a number sentence. Each completed number sentence involves two small numbers which add up to no more than 20.
This set includes additions from 0 + 0 to 20 + 0 as well as their reverse (ie 2 + 17 as well as 17 + 2) up to a total of 20.
These cards could be printed on photo paper or card stock and laminated if desired for long-lasting durability.