1. Knowing our Numbers (7 digit) 2. Addition and subtraction 3. Multiplication and Division...
1. Knowing Our Numbers (6digit) 2. Addition and subtraction 3. Symmetry 4. Fractions 5. ...
1. Numbers (5 digit) 2. Shapes around us 3. Time 4. Fractions 5. Basic...
1. Numbers (4 digit) 2. Addition 3. Subtraction (With and with out borrowing) 4. ...
1. Shapes 2. Patterns 3. Taller and shorter 4. Lighter and Heavier 5. Addition...
A mathematical historian at Trinity Wester University in Canada, has found use of a...