Alpha
Write the formula for nth term: 17,15,13,11,9
-2n+19
5r = 1/ 25 . Find the value of r.
-2
The length of the River Nile is 6700 kilometres, correct to the nearest hundred kilometres. Calculate the upper and lower bounds of the length, L kilometres, of the River Nile.
6650 ≤ L < 6750
Juanita changed $20 into euros when the exchange rate was €1=$1.2685. How many euros did she receive? Give your answer correct to 2 decimal places.
15.77
List all the teachers who taught your batch's core from 9th to 10th grade till now.
Mr.Jafar, Ms.Mohini, Ms.Haasini,Ms.Pousali
How many glasses, each holding 200 cm3 , can be filled completely from a full 4.5 litre bottle of water?
22
A large tank, in the shape of a cuboid, has a square base of side 350 cm and height 200 cm. The tank is filled with water. Find, in litres, the volume of water it holds when full.
24500
Michel invests $5000 at an interest rate of 9.2% per year compound interest. Calculate the compound interest he receives after 2 years.
$962.32
The bearing of a lighthouse, L, from a port, P, is 145°. Find the bearing of P from L.
325
How many interleaved quizes did you give in Math class till now excluding your mock exam.
7
0.0072, 72%, 0.702, 7/10, 7/100, 7.2%
arrange in descending order. you cannot use calculator
72%,0.702,7/10,7.2%,7/100,0.0072
Jamal arrived at work at 09 20 and left at 17 15. How long, in hours and minutes, did he spend at work?
7 (h) 55 (min)
Find an approximate answer for the sum 9.87 – 5.79 × 0.48 by rounding each number to 1 significant figure.
7
Aminata bought 20 metres of cloth at a cost of $80. She sold 15 metres of the cloth at $5.40 per metre and 5 metres at $3 per metre. Calculate this profit she made as a percentage of the original cost.
20%
List 10 different topics you learned in Maths in 1 minute. Only one person in the group should answer.
If you finished 15 you get the points
In 2007 Klaus paid 350 euros (€) for a flight from Berlin to Nairobi. The return flight from Nairobi to Berlin cost him 30 700 Kenyan Shillings (KES). The exchange rate at the time of the return flight was €1 = 79.6 KES. Calculate the difference, in euros, between the costs of the two flights. Give your answer correct to 2 decimal places.
35.68
On a journey a bus takes 35 minutes to travel the first 10 kilometres. It then travels a further 20 kilometres in the next 40 minutes. (a) The bus started the journey at 18 50. At what time did it complete the journey?
(b) Calculate the average speed of the whole journey in (i) kilometres/minute (ii) kilometres/hour
(you get points only if all three answers are correct)
(a) 20 05
(b) (i) 0.4 (ii) 24
Seven people were asked to guess the number of beans in a jar. Their guesses were 194, 173, 170, 144, 182, 259, 159. Without using calculator:
(a) Find the median.
(b) Work out the mean
(you get points only if both answers are correct)
a)173
b)183
In triangle XYZ, P is a point on XY and Q is a point on XZ. PQ is parallel to YZ. (i) Complete the statement. Triangle XPQ is ___________to triangle XYZ.
(ii) PQ = 8 cm, XQ = 10 cm and YZ = 10 cm. Calculate the length of XZ.
you get points only if both answers are correct)
i)Similar
ii) 12.5
When is your core paper 1 and paper 3 dates?
18th Feb- paper 1
24th Feb- paper 3
A hot air balloon, M, is 900 metres vertically above a point N on the ground. A boy stands at a point O, 1200 metres horizontally from N.
(a) Calculate the distance, OM, of the boy from the balloon.
(b) Calculate angle MON .(You will get points only if answers for both a and b are accurate and correct)
a)1500
b)36.9
In New Zealand, a bus leaves New Plymouth at 8.10 am and arrives in Wellington at 2.55 pm. (a) How long, in hours and minutes, does the journey take?
(b) The distance from New Plymouth to Wellington is 355 kilometres. Calculate, in kilometres per hour, the average speed for the journey. Answer in 3s.f
(you get points only if both answers are correct)
(a) 6 (hours) 45 (minutes)
(b) 52.6
Three friends, Cleopatra, Dalila and Ebony go shopping. The money they each have is in the ratio Cleopatra : Dalila : Ebony = 5 : 7 : 8. Cleopatra has $15. (a) How many dollars do they have in total?
(b) Dalila spends $12 on a hat. How many dollars does she have left? (you will get points only if both answers are correct)
a)60
b)9
In Vienna, the mid-day temperatures, in °C, are recorded during a week in December. This information is shown below. –2, 2 ,1, –3, –1, –2 ,0 Calculate
(a) the difference between the highest temperature and the lowest temperature
(b) the mean temperature.
(c) modal temperature. (you will get points only if all answers are correct.)
(a) 5 or −5 1
(b) −0.714 (−0.7143 to −0.7142) or − 5/7
(c)-1
Write the formula for finding the nth term quadratic sequence on the board.
The teacher verifies and gives the marks.