1. Unit 1 – Numbers within 10
The same As many More Fewer Is equal to Part Whole Number bond Represent Double Equal parts Half Half Halve Inverse More Less Difference Greater than Fewer than Compare

2. Unit 2 – Addition and subtraction within 10
Total Add Subtract Equation Sign Symbol Plus Minus Is equal to Part Whole Altogether Count on Partition Count back Number line

3. Unit 3 – Shape and Patterns
Cube Cuboid Cylinder Cone Sphere Pyramid Curved Flat Face Edge Vertex Vertices Rectangle Square Circle Triangle Oblong Side Corner Pattern Repeating Left Right Between Forwards Quarter turn Algorithm

4. Unit 4 – Numbers within 20
Number names (0-20) Count on Order Number line More Less Before After Difference Tens Ones Greater Less Compare Least Value Increase Decrease Double Half Equal Odd Even Fair Unfair