Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
Related Lessons
2nd Grade
Compare then Add or Subtract
Lesson 401
Join Mrs. McCartney for a Number Talk with Abracus as we work on Compensation. We'll compare numbers and add or subtract with Springling and T-Pops. I wonder who's strategy will be most efficient?
2nd Grade
Add and Subtract 10s or 100s
Lesson 402
Join Mrs. McCartney for a Number Talk with Abracus as we work on compensation. We'll add or subtract tens or hundreds.
2nd Grade
Coins and Values
Lesson 315
Join Mrs. McCartney for a Mystery Math Mistake - T-Pops needs your help! We'll learn about coins and their values.
2nd Grade
Order 3-Digit Numbers
Lesson 306
Join Mrs. McCartney for a comparison word problem with her friend Professor Barble. Next, get ready to order 3-digit numbers using place value understanding. We will be using number lines and Value Pak to help apply our thinking.
2nd Grade
Compare 3-Digit Numbers Part 1
Lesson 304
Join Mrs. McCartney to go on a mission to see if we can figure out Professor Barble's comparison word problem. Next, get ready for some fun with Value Pak and Base-Ten blocks as we compare 3-Digit Numbers
