SEKHUKHUNE SOUTH DISTRICT
GRADE 12
MATHEMATICAL LITERACY
TERM 2 INFORMAL TEST 2
BMI, CONVERSION AND TIME
19 APRIL 2025
MARKS: 50
DURATION: 1 HOUR
INSTRUCTIONS AND INFORMATION
1. This question paper consists of three questions, 6 pages and ANNEXURE A .
2. Answer all questions.
3. Number your answers correctly according to the numbering system used in this question
paper.
4. The use of non-programmable calculator is allowed.
5. Show all calculations clearly.
6. Diagrams not drawn to scale
1
QUESTION 1
1.1
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
Convert 250 ml to litres.
Determine the total time (in hours) taken to prepare and bake the scones
Determine the total number of tablespoons of cold butter required to bake 48 scones.
Write the number of cups all-purpose flour to tablespoons of cold butter as a ratio.
Convert the baking temperature of 350 ˚F to ˚C. You may use ˚C = (˚F-32) ÷1,8
2
(2)
(2)
(2)
(2)
(2)
1.2
1.2.1
1.2.2
1.2.3
At what time does the train leave Durban?
Write 18:30 in a 12 hour format.
The train departed Harrismith at 03:53 and arrived in Bethlehem at 05:20. Calculate the
duration (time taken) of travelling between the two towns.
[15]
QUESTION 2
2.1 Mphela and Pheladi are 18 year old twins who are health conscious when coming to their weight.
They use a BMI table to check if they are on healthy status.
Twin
Pheladi
Mphela
(1)
(2)
(2)
Mass
76 kg
99 lb(pounds)
Height
1,65 m
60 inches
BMI in kg/��
<18.5
From 18,5 to 24.9
From 25 to 30
Over 30
1 inch = 0.0254 m
1 lb =0.4536 kg
3
Classification
Underweight
Normal
Overweight
Obese
2.1.1
2.1.2
Write BMI in full.
Calculate Pheladi’s BMI in kg/�2
(2)
(3)
������ �� ��
2.1.3
2.1.4
2.1.5
BMI = (������ �� �)�
(4)
(1)
(2)
Hence calculate Mphela’s BMI in kg/�2
Who is overweight between Mphela and Pheladi?
Suggest 2 ways of reducing overweight.
2.2 After completion of her tertiary studies, Pheladi gave birth to boy twins. The twins are now 24
months old. Use annexure A to answer the questions below.
2.2.1
2.2.2
2.2.3
2.3
Convert 24 months to years.
Determine the weight of a 24 month old boy who is at 10th percentile in kg.
Determine the height (length) in cm of a 1 year and 6 months boy who is in the 25th
percentile.
(2)
(2)
(2)
Masangane is 85 kg in weight and has a BMI of 23,5 kg/�2 . He claimed that his height is
more than 1,8 m tall.
Verify, whether his claim is valid by calculating his height in m.
������ �� ��
You may use BMI = (������ �� �)�
(3)
QUESTION 3
3.1 Tau Masemola wants to renovate his house. He plans to insert two identical windows and a passage
and paint his house with two coats. Below is a picture of his house and a sketch with dimensions.
3m
Dimensions of the wall to be painted
Length =5m
Width = 3m
Dimensions of passage
Length =2m
Width = 100 cm
Area = Length × width
5m
Dimensions of the two identical windows
Length = 150 cm
Width = 100 cm
NB: Windows and passage will not be painted.
4
[21]
3.1.1
3.1.2
3.1.3
3.1.4
Calculate the Area of the wall in �2.
Calculate the Area of the two identical window in �2 .
Calculate the Area of the passage in �2 .
Hence calculate the Area to be painted.
(2)
(4)
(3)
(2)
3.2
r
The area of the circle is 254,502 ��2
Calculate the radius in cm.
� = ���
� = �. ���
5
(3)
[14]
ANNEXURE A
6