Notes 2ai Award both marks for a correct final answer. 2aii Award both marks for a correct final answer. 2b is also acceptable. 2b Award the third method mark even if this step is not seen, providing the final answer is correct. Pearson Progression Step Q Scheme Marks AOs and Progress descriptor Understands that the pole vaulter will land when = 0 or 3.1b h M1 3a 3rd writes Understand how Correctly factorises to get o.e. M1 1.1b mechanics problems can be Solves to get (m) A1 1.1b modelled Accept awrt 10.4 (m) mathematically. (3) States that the greatest height will occur when = 5.20…(m) 3.1b x M1 3b 3rd Makes an attempt to substitute = 5.20…into the equation for Understand how x M1 1.1b For example, seen. mechanics h. problems can be = 5.42…(m) h A1 ft 1.1b modelled Accept awrt 5.4 (m) mathematically. (3) States = 4.9 or states that M1 3.1b h 3c Simplifies this to reach o.e. 1.1b M1 Realises that the quadratic formula is needed to the M1 1.1b quadratic. For example seen, or makes attempt to use the formula: Simplifies the part to get 1513 or shows 1.1b M1 = 6.82…(m) x A1 1.1b Accept awrt 6.8 (m)
Notes 2ai Award both marks for a correct final answer. 2aii Award both marks for a correct final answer. 2b is also acceptable. 2b Award the third method mark even if this step is not seen, providing the final answer is correct. Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 3a Understands that the pole vaulter will land when h = 0 or writes M1 3.1b 3rd Understand how mechanics problems can be modelled mathematically. Correctly factorises to get o.e. M1 1.1b Solves to get (m) Accept awrt 10.4 (m) A1 1.1b (3) 3b States that the greatest height will occur when x = 5.20…(m) M1 3.1b 3rd Understand how mechanics problems can be modelled mathematically. Makes an attempt to substitute x = 5.20…into the equation for h. For example, seen. M1 1.1b h = 5.42…(m) Accept awrt 5.4 (m) A1 ft 1.1b (3) 3c States h = 4.9 or states that M1 3.1b Simplifies this to reach o.e. M1 1.1b Realises that the quadratic formula is needed to the quadratic. For example seen, or makes attempt to use the formula: M1 1.1b Simplifies the part to get 1513 or shows M1 1.1b x = 6.82…(m) Accept awrt 6.8 (m) A1 1.1b
as_maths_mechanics_unit_6_ms.docx