2.OA.2 Second Grade Common Core Math Task Cards - 2 OA.2 Fluently Add & Subtract Within 20 Practice provides two ways for students to practice and show mastery of their ability to use mental math to fluently apply addition and subtraction skills. 2.OA.B.2
Includes 40 unique Task Cards!
Includes both a student answer sheet as well as matching layout (easier to grade) answer key! Cards are numbered so that answers on student sheet will be in proper order. Cards are 4 to a page and can be printed in both color or gray-scale (I tried both!) Don't forget to laminate so they will last for years!
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Standard 2.OA.2 Add and subtract within 20.
2. Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.