Question 1
Expand 4 x 2 (3 x + 5) Circle your answer.
[1 mark]
Expand 4 x 2 (3 x + 5) Circle your answer.
[1 mark]
How many millimetres are there in a kilometre? Circle your answer.
[1 mark]
Circle the number half way between and
[1 mark]
Here is the sketch of a graph.
Circle the equation of the graph.
[1 mark]
Work out the lowest common multiple (LCM) of 120 and 144
[2 marks]
The scatter graph shows the best high jump and the best long jump for 15 boys.
Write down the type of correlation shown.
[1 mark]
Liam has a best high jump of 166 cm Use a line of best fit to estimate his best long jump.
[2 marks]
Another boy has a best high jump of 195 cm Give a reason why you should not use a line of best fit to estimate his best long jump.
[1 mark]
A car journey is in two stages. Stage 1 The car travels 110 miles in 2 hours. Stage 2 The car travels 44 miles at the same average speed as Stage 1 Work out the time for Stage 2 Give your answer in minutes.
[3 marks]
Here is an identity. a(3x – 10) 21x + 2b Work out the values of a and b.
[3 marks]
J and K are ships. P is a port. J is due South of P. Angle JPK = 56°
Work out the bearing of J from K.
[3 marks]
The 5th term of a linear sequence is 17 The 6th term of the sequence is 21 Work out the 100th term of the sequence.
[3 marks]
The value of a house is £120 000 The value is expected to increase by 5% each year. Work out the expected value after 4 years. Give your answer to 2 significant figures. You must show your working.
[4 marks]
An isosceles triangle has base 16 cm and perpendicular height 15 cm
Some of these triangles are used to make a large triangle.
Work out the perimeter of the large triangle.
[4 marks]
200 people recorded the time they spent on social media one day. The table shows the results.
Work out an estimate of the mean time.
[3 marks]
Ralf has an iron.
The iron applies a force of 25 newtons (N)
Work out the pressure using Ralf’s model.
[4 marks]
Is the actual pressure greater than, equal to or less than your answer to part (a)? Tick one box.
Give a reason for your answer.
[2 marks]
Rosie says, “160% of 40 = 140% of 60 because a % of b = b % of a ” Is she correct? Tick a box.
Give a reason for your answer.
[1 mark]
A packet contains 80 sweets. The flavour of each sweet is lemon, orange or apple. A sweet is taken at random.
P(lemon or orange) 0.85 Work out the minimum possible number of apple sweets in the packet.
[2 marks]
P(lemon or apple) 0.71 There are 31 lemon sweets. Work out the maximum possible number of apple sweets in the packet.
[2 marks]
Kate has the following question for homework.
Show that Kate can form the equation x 2 + 5 x – 1400 = 0
[3 marks]
Kate correctly factorises the equation to get (x + 40)(x – 35) = 0 Her answer to the homework question is x = – 40 or x = 35 Is her answer correct? Tick a box.
Give a reason for your answer.
[1 mark]
Circle the word that describes the graph y = sin x
periodic exponential cubic quadratic
[1 mark]
(7, 28) is a point on the graph y = f(x) Circle the point which must be on the graph y = f(x) + 2
(7, 26) (7, 30) (5, 28) (9, 28)
[1 mark]
n is the middle integer of three consecutive positive integers. The three integers are multiplied to give a product. n is then added to the product. Prove that the result is a cube number.
[4 marks]
Here is a sketch of a distance-time graph.
Which of these represents the average speed between A and B ? Tick one box.
[1 mark]
Here are three similar cuboids, A, B and C. A has length 5 cm, width 2 cm and height 3 cm B has length 10 cm
The total surface area of A is 62 cm 2 Tim wants to work out the total surface area of B. Here is his working.
Make one criticism of Tim’s method.
[1 mark]
Work out the value of x.
[3 marks]
Here are two inequalities.
x and y are integers. Work out the greatest possible value of y – x
[3 marks]
C, D and E are points on a circle. CE = DE The tangent at D is shown. ACD and BCE are straight lines.
Prove that y = 3 x
[4 marks]
P, Q and R have positive values. P is directly proportional to the square of Q. When P = 1.25, Q = 0.5 Q is inversely proportional to R. When Q = 0.5, R = 6 Work out the value of R when P = 0.8
[5 marks]
The paper as printed
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