Question 1
Calculate.
Give your answer as a mixed number in its simplest form.
[3]
Work out.
Give your answer in standard form.
[3]
Calculate.
Give your answer as a mixed number in its simplest form.
[3]
Work out.
Give your answer in standard form.
[3]
Gemma’s solution to the inequality 3 x + 1 > – 5 is shown on the number line.
Is Gemma’s solution correct? Explain your reasoning.
[3]
Work out.
The table shows the relative frequencies of the results for a football team after a number of games.
| Result of game | won | lost | drew |
| Relative frequency | 0.2 | 0.45 |
Complete the table.
[2]
The team lost 10 more games than they won.
How many games did the team play altogether?
[3]
Jack sent 15% more text messages in March than in February. Jack sent 460 text messages in March.
How many more texts did Jack send in March than in February?
[4]
Here is the floor plan of a rectangular room.
Tim buys carpet tiles for this room.
Each tile is a square measuring 50 cm by 50 cm. The tiles are only sold in packs of ten. Each pack costs £20. Tim pays for fitting at a rate of £7.50 per square metre, with any fraction of a square metre rounded up.
Work out the total cost of the tiles and fitting.
[6]
Hannah wants to display all the possible outcomes when rolling two fair 6-sided dice.
Give a reason why a tree diagram is not the best method to use.
[1]
Draw a sample space to display all the possible outcomes.
[2]
Show that the probability of the scores on the two dice adding to 11 is
[2]
Complete the table for y = x3 - 3x.
| x | -3 | -2 | -1 | 0 | 1 | 2 | 3 |
| y | -18 | -2 | 0 | -2 | 2 | 18 |
[1]
Draw the graph of y = x3 - 3x for -3 ⩽ x ⩽ 3.
[3]
Use your graph to solve x3 - 3x = 10.
[1]
Ifsaw noticed this information on her car’s dashboard at the end of her journey. She started her journey with a full tank of fuel and her miles travelled set to zero.
Work out how far Ifsaw’s car can travel on a full tank of fuel.
[3]
What assumption have you made when answering part (a) ?
[1]
The diagram shows two right-angled triangles ABD and BCD, sharing a common side BD. AD = 10 cm, BC = 12 cm and angle DBC = 60°.
Work out the length of AB.
[6]
Convert to a fraction.
[2]
The diagram shows a cylinder and a cone.
The cylinder has radius 2 cm and height 9 cm. The cone has radius r cm and height h cm.
The ratio r: h is 1: 4. The volume of the cone is equal to the volume of the cylinder.
Work out the value of r.
[5]
n is a positive integer.
Prove that 13 n + 3 + (3 n - 5)(2 n + 3) is a multiple of 6.
[4]
A, B, C and D are points on the circumference of a circle.
PQ is a tangent to the circle at D. Angle BDQ = 72° and angle ABD = 63°.
Work out angle x. Give a reason for your answer.
Angle x =........ ° because........
[2]
Work out angle y. Give a reason for your answer.
Angle y =........ ° because........
[2]
(x + a)(x + 3)(2x + 1) = bx3 + cx2 + dx - 12
Find the value of a, b, c and d.
[4]
A straight line passes through the point (0, 6) and is perpendicular to y = 4 x - 5.
Find the equation of this line, giving your answer in the form y = mx + c.
[3]
Work out the coordinates of the intersection of the graphs of y = 4x - 5 and y = x2 - 17.
[6]
Ceri records the time taken, t minutes, to travel to school for a sample of 168 students at her
Draw a histogram to represent this information.
[4]
Ceri says
The longest time that any of these students took to travel to school was 80 minutes.
Is she correct? Give a reason for your answer.
[1]
Ceri also claims that 25% of all of the students at this Academy took more than 30 minutes to travel to school.
Show how Ceri might have worked out her claim.
[2]
State one assumption that Ceri has made in making her claim.
[1]
In the following equation, n is an integer greater than 1.
The paper as printed
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