2.NBT.7 Second Grade Common Core Math Task Cards - 2 NBT.7 Add And Subtract Within 1000 Practice provides two ways for students to practice adding and subtracting within 1000. 2.NBT.B.7
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.7 Use place value understanding and properties of operations to add and subtract.
7. Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.