Percentages

• Mathematics Core: Calculator allowed, Time allowed: 45 minutes, First name, Middle name, Last name, Date of birth, Day, Month, Year, Teacher, This assessment has been designed by White Rose Maths.
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• Autumn Assessment Year 9 BPage 2 of 12 © White Rose Maths 2021.
• The mathematical name of the 3-D shape is a net.
• A solid object is made using five centimetre cubes.
• On the grid, draw the front elevation of the object.
• The probability of the spinner landing on grey is 12.
• A scale drawing is drawn such that 1 cm represents 50 cm.
• The length of a wall on the scale drawing is 35 cm.
• An angle of 215° is drawn from point A.
• The equation ( y + 9)( y + 1) is expanded and simplified.
• Using a ruler and pair of compasses, construct the perpendicular bisector of PQ.
• The equation of the line is C = 1.5 d + 3.
• The equation of line B can be suggested.
• The point (b, 13) also lies on the line with equation y = 2 x – 9, and the value of b can be found.
• Rosie makes a conjecture, stating that if a pair of triangles have two equal sides and one equal angle, then they are always congruent.
• Rosie is 3 times as old as Aisha and Filip is 4 years younger than Aisha, with the sum of their ages being 21.
• 1.5 represents the cost per mile in the context of the question.
• The straight lines with equations y = 3 x + 4 and y = 10 – 2 x meet when x = 6.
• The range of their ages can be calculated.
• The point (3, a) lies on the line with equation y = 2 x – 9, and the value of a can be found.
• Three parallel lines are drawn on a pair of axes, with the equation of line A being y = –5 – 3 x.
• The locus of points that are 2 cm away from the line AB can be sketched.
• A cylinder has a diameter of 1.2 m and a height of 0.4 m, and the volume and surface area of the cylinder can be found.
• The volume of the prism is calculated as 12.4 mm × 13.8 mm × 7.6 mm × 9.5 mm.
• The graph shows the cost of a taxi journey for different distances.