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Common Core Standards

Add & Subtract 10 or 100

Grade: 2nd Grade
Standard:

CC.2.1.2.B.3

Description:

Use place-value understanding and properties of operations to add and subtract within 1000.

Standard:

Math.2.NBT.8 or 2.NBT.B.8

Description:

Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

2nd Grade Math - Add & Subtract 10 or 100 Lesson
 
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