Question 1
Shade the least number of squares so that the grid has rotational symmetry of order 2.
The squares you shade must be in the lower two quadrants.
[2]
Mathematics · WJEC 3300 · Unit 1: Non-calculator · Intermediate · November 2022
Shade the least number of squares so that the grid has rotational symmetry of order 2.
The squares you shade must be in the lower two quadrants.
[2]
Explain why Geraint is incorrect.
[1]
Dyfrig says,
“All cube numbers are odd numbers.”
Explain why Dyfrig is incorrect.
[1]
Using only the numbers in the following list,
31 33 35 37 39 41 43
find
the multiple of 5·5,
The multiple of 5·5 is........
[1]
the factor of 111.
The factor of 111 is........
[1]
Andrew and Grace each have some £10 notes and £5 notes. Andrew has 6 notes. The total value of Andrew’s notes is £55. Grace has 5 notes. The total value of Grace’s notes is £35.
How many £10 notes do they have in total?
How many £5 notes do they have in total?
[3]
In a restaurant, as part of a Set Meal, customers must choose a starter, main course and dessert from the options below.
List all the possible different combinations of starters, main courses, and desserts that the restaurant offers.
One has been done for you.
| Set Meal | ||
| Starter | Main Course | Dessert |
| M | C | F |
[3]
There are five numbers in a list. The mean of the five numbers is 7. Another number is added to the list. The mean of these six numbers is 8∙5.
Find the value of the sixth number.
You must show all your working.
[3]
In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.
A sum of money is shared in the ratio 1: 8. The larger share is £16.80. What is the total amount of money shared?
You must show all your working.
[5]
You must show all your working.
[2]
The nth term of a sequence is given by 3n 13.
Write down the value of
Samira has a dice. Its faces are numbered 1 to 6. She wants to know whether her dice is biased or not. Samira rolled this dice 300 times. Her results are shown in the table below.
| Number shown on dice | 1 | 2 | 3 | 4 | 5 | 6 |
| Frequency | 65 | 40 | 52 | 10 | 23 | 110 |
The relative frequency of throwing a 5 is .
What is the relative frequency of throwing a 2?
Give your answer as a fraction in its simplest form.
[2]
Do the results in the table suggest that Samira’s dice is biased?
Yes No
Explain your decision.
[1]
This dice is thrown 2400 times. Use Samira’s results to calculate the number of times you would expect a 6 to be
thrown.
[2]
A rectangle and a square are shown below.
The total area of the two shapes is 184 cm2.
Find the perimeter of the square.
[5]
In a group of 200 people:
• 105 people do not have black hair and do not wear glasses • 20 people have black hair and wear glasses • 70 people have black hair.
Triangle ABC is shown in the diagram below.
Using only a ruler and a pair of compasses, construct an accurate drawing of triangle ABC. Side AC has been drawn for you.
All construction lines and arcs must be shown.
[3]
Express 1575 as a product of its prime factors in index form.
[3]
Simplify the following expressions.
7a(a + 5) − 2(3a2 + 6a − 7)
[4]
The diagram below shows the graph of a straight line for values of x from –1 to 3.
Write down the gradient of the line above.
[1]
Write down the equation of the line in the form y mx
c.
[2]
Show that the lines
y = 3 x − 8 and 2 y − 6 x = 23
are parallel to each other.
[2]
In the following formulae, each measurement of length is represented by a letter. Consider the dimensions implied by each formula. For each case, write down whether the formula could be for a length, an area, a volume or none of these.
The first one has been done for you.
7a3− abc
volume
5abc 6bc
b2 ........
4a2b 4b2a ........
3a 8b
2c ........
a2− abc ........
[3]
Which complete method, using Pythagoras’s Theorem, can be used to find x ?
Circle your answer.
[1]
Which of the following calculations can be used to find y?
Circle your answer.
[1]
P, Q and R are points on the circumference of a circle with centre O.
Calculate the value of x. You must state all the angle properties that you use.
You must show all your working.
[4]
On Monday morning, Twm picked n apples from a tree. Ceri picked 5 times as many apples as Twm.
On Monday afternoon, Twm picked 19 more apples. Ceri gave 7 of her apples to Twm.
Ceri still had more apples than Twm.
Write down an inequality in terms of n to show the above information. Use your inequality to find the least possible number of apples Twm picked on Monday morning.
You must show all your working.
[4]
The paper as printed
Spotted a mistake on this page?Report a problem