Grade 2 → Mathematics

Addition & Subtraction Within 1000

Master operations with larger numbers.

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Lessons

1

Adding Hundreds

ACT: hundreds in the next lesson!
2

Common Mistakes

ACT: the correct digits (ones with ones, tens with tens, hundreds with hundreds)
3

Guided Practice

ACT: ones: 4 - 8? We need to borrow! Make it 14 - 8 = 6.
4

Subtracting Hundreds

ACT: them! Subtracting hundreds is just as easy as subtracting ones.
5

Unit Quiz

 6

Word Problems