2.NBT.8 Second 2nd Grade Common Core Math Task Cards - 2 NBT.8 Mentally Add or Subtract 10 or 100 2.NBT.8 Practice provides two ways for students to practice mentally adding or subtracting 10 or 100 to a given number. 2.NBT.B.8
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.NBT.8 Use place value understanding and properties of operations to add and subtract.
8. Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.