Week 16: Addition and subtraction equations

Skills and concepts for Addition and subtraction equations.

1. 1. Addition Sentences: Which is True?
2. 2. Subtraction Sentences: Which is True?
3. 3. Mixed Sentences to 20: Which is True?
4. 4. Which Sign Makes the Number Sentence True?
5. 5. Complete the Addition Sentence - Sums up to 20
6. 6. Complete the Subtraction Sentence - Up to 20