National 5 Mathematics Paper 1 With Solutions

There is a total of 15 questions for the National 5 mathematics paper 1 of 2018. so you can all the solutions here. more National 5 mathematics Paper solutions will be shared soon.

1. A baking company will reject cakes if they do not weigh 400 g ± 3%.
The weights of a sample of 13 cakes are shown below.
385, 391, 409, 403, 386, 412, 413, 407, 400, 390, 387, 405, 388
Calculate the fraction of cakes that will be rejected.
Use your working to justify your answer.

National 5 Mathematics Paper 2 With Solutions

2. Jennifer is planning to go on a 4-night city break.
The costs are shown in the table below.
Flights                                         £270
Accommodation                        £90 per night
Spending money                       £450
Insurance                                    £30

She earns £400 per week.
She saves 1/8
of her earnings each week towards her city break.
Calculate the minimum number of weeks it will take Jennifer to save enough
money for her city break.

National 5 Mathematics Paper 2 With Solutions

National 5 Mathematics Paper 2 With Solutions

National 5 Mathematics Paper 2 With Solutions

4. Lynn is flying an aircraft and has been told that the outside temperature is
34 °C lower than the ground temperature.
The ground temperature is 6 °C.
Calculate the outside temperature and mark it on the gauge below.

National 5 Mathematics Paper 2 With Solutions

National 5 Mathematics Paper 2 With Solutions
5. Guests at a wedding were asked to choose their main course.
 3/7 of the guests chose chicken
1/3 of the guests chose beef
• the remaining guests chose the vegetarian option.
Calculate the fraction of guests that chose the vegetarian option.

National 5 Mathematics Paper 2 With Solutions

6. Tom thinks that the answer to the following calculation is 8∙7.
National 5 Mathematics Paper 2 With Solutions
Is Tom correct?
Use your working to justify your answer.

National 5 Mathematics Paper 2 With Solutions

National 5 Mathematics Paper 2 With Solutions

National 5 Mathematics Paper 2 With Solutions

 

8. Ian buys a new sofa.
The original price was £700.
The shop is having a sale with 25% off the price of all sofas.
When he goes to the shop he finds there is an additional 5% off the sale price.
Calculate the price Ian pays for his sofa.

National 5 Mathematics Paper 2 With Solutions

9. Steven flew to Hong Kong to start a new job.
The flight included a stop in Doha.
He flew from Edinburgh to Doha then from Doha to Hong Kong.
• The flight from Edinburgh to Doha took 6 hours 35 minutes.
• The flight from Doha to Hong Kong took 7 hours 20 minutes.
• Hong Kong is 8 hours ahead of Edinburgh.
Steven’s plane took off from Edinburgh at 9:15 am local time.
It landed in Hong Kong at 8:50 am local time.
How long was the stop in Doha?

National 5 Mathematics Paper 2 With Solutions

10. David sat a class test.
His results are shown in the table below.
Marks available Percentage achieved
Paper 1    35 80%
Paper 2     65 60%
(a) Calculate the number of marks he achieved in paper 1.
(b) Calculate his overall percentage for this test

National 5 Mathematics Paper 2 With Solutions

11. Ribbon has to be placed around the outside of the love heart cake shown
below.

National 5 Mathematics Paper 2 With Solutions
The top of the cake is in the shape of an isosceles triangle with two identical
semi-circles.
The ribbon needs to be the length of the perimeter of the top of the cake
plus an extra 2·8 cm.
Calculate the length of ribbon needed for the cake.
Take π = 3 14 ·

National 5 Mathematics Paper 2 With Solutions

12. A helicopter flew from Aberdeen airport to transport workers to oil rig 1 and
then continued on to oil rig 2.
It flew 82 km on a bearing of 042° to oil rig 1.
It then flew 46 km on a bearing of 194° to oil rig 2.
(a) Construct a scale drawing to illustrate this journey.
Use a scale of 1 cm : 10 km.

The helicopter then returns to Aberdeen airport from oil rig 2.

National 5 Mathematics Paper 2 With Solutions

13. A lawn is to be created in the shape of an isosceles triangle with dimensions
as shown below.

Calculate the area of the lawn.

National 5 Mathematics Paper 2 With Solutions

14. Michael runs a stall at the school fayre.
His game requires two spinners to be spun and allowed to come to rest.
The spinners are shown below.

National 5 Mathematics Paper 2 With Solutions
The numbers on which the spinners come to rest are multiplied together.
To win a prize the answer to this multiplication must be less than 5.
Calculate the probability of winning a prize.National 5 Mathematics Paper 2 With Solutions

15. A ramp to allow wheelchair access to a school has the dimensions shown
below.
National 5 Mathematics Paper 2 With Solutions
The maximum gradient allowed for a ramp with a horizontal distance of
4 m is 1/14 .
Does the gradient of this ramp meet the regulations?
Use your working to justify your answer.

National 5 Mathematics Paper 2 With Solutions

 

 

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