| Cansdale, James - OAW |
| Wintringham area of a circle with diameter (15) | | Erraza | 2011.11.24 |
| Wintringham area of a circle with radius (15) | | Erraza | 2011.11.24 |
| Wintringham circumference of a circle with diameter (15) | | Erraza | 2012.02.23 |
| Wintringham circumference of a circle with radius (15) | | Erraza | 2011.11.29 |
| Wintringham easy collecting like terms (10) | | Erraza | 2012.04.20 |
| Wintringham easy nth terms (12) | | Erraza | 2011.11.29 |
| Wintringham expanding single brackets with number coefficients (10) | | Erraza | 2011.11.24 |
| Wintringham hard collecting like terms (10) | | Erraza | 2011.11.24 |
| Wintringham hard quadratic sequences (10) | | Erraza | 2011.12.07 |
| Wintringham medium collecting like terms (10) | | Erraza | 2011.11.24 |
| Wintringham nth term (15) | | Erraza | 2012.05.15 |
| Wintringham sharing using ratio (18) | | Erraza | 2012.03.01 |
| Wintringham sharing using ratio (triples) (10) | | Erraza | 2012.03.02 |
| Wintringham simple quadratic sequences (10) | | Erraza | 2011.12.07 |
| Wintringham solving quadratics formula (10) | | Erraza | 2011.12.16 |
| Wintringham solving quadratics using the splitting method (10) | | Erraza | 2011.12.15 |
| Wintringham solving simple quadratics (12) | | Erraza | 2011.12.15 |
| Wintringham speed, distance and time (distance metric) (10) | | Erraza | 2012.03.08 |
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