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The Emerald Challenge.
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Dear ,
Congratulations on completing the Mathematics Challenge!
You scored a total of [score]. We are proud of you and believe that the sky is the limit for you.
As a reward for taking the challenge, Akada Educational Resource Center has gifted you our highly sought-after “I Love Mathematics” badge. We will also be sending you a certificate soon, but please note that these rewards are virtual for all participants.
We do have physical versions of the certificate and badge, but they will only be given to our Premium Members. These will be dispatched by February 15th, so please note that you must be a premium member before then in order to receive them.
We would also like to inform you that this is just one of five challenges. You can find the dates for the other challenges on the page https://akadalearn.com/national-mathematics-challenge/. To qualify for our scholarship fund, you must pass at least three of these challenges, which will then qualify you for the semi-final and final stages. Please note that all challenges are free.
Finally, we encourage you to continue working on improving yourself. To support this, we have a wealth of library and resources available to you when you subscribe as a premium member. As a special offer, we are currently offering 50% off of our premium membership for a limited time.
Once again, we would like to commend you on this outstanding achievement and we look forward to seeing you at the Onyx Challenge.
Congratulations on taking the Emerald Challenge!
AkadaLearn Team
-
Dear ,
Congratulations on completing the Mathematics Challenge!
You scored a total of [score], which means you exceeded the pass mark. We are extremely proud of you and believe that the sky is the limit for you.
As a reward for your achievement, Akada Educational Resource Center has gifted you our highly sought-after “I Love Mathematics” badge. We will also be sending you a certificate soon, but please note that these rewards are virtual for all participants.
We do have physical versions of the certificate and badge, but they will only be given to our Premium Members. These will be dispatched by February 15th, so please note that you must be a premium member before then in order to receive them.
We would also like to inform you that this is just one of five challenges. You can find the dates for the other challenges on the page https://akadalearn.com/national-mathematics-challenge/. To qualify for our scholarship fund, you must pass at least three of these challenges, which will then qualify you for the semi-final and final stages. Please note that all challenges are free.
Finally, we encourage you to continue working on improving yourself. To support this, we have a wealth of library and resources available to you when you subscribe as a premium member. As a special offer, we are currently offering 50% off of our premium membership for a limited time.
Once again, we would like to commend you on this outstanding achievement and we look forward to seeing you at the Onyx Challenge.
Congratulations on taking the Emerald Challenge!
AkadaLearn Team
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Question 1 of 50
1. Question
Simplify 7 x 3a – (3a + 5a) x 2.
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Question 2 of 50
2. Question
Find the quotient when x + 3x – 6 is divided by 3x – 1.
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Question 3 of 50
3. Question
Find the coefficient of X in the expression (X – 5) (X + 2).
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Question 4 of 50
4. Question
Simplify 2xy x 9y.
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Question 5 of 50
5. Question
The sum of angles of a polygon is 2,700. How many sides has the polygon?
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Question 6 of 50
6. Question
Which of the following option is the correct mathematical expression of the
polynomial.CorrectIncorrect -
Question 7 of 50
7. Question
Boma and Senibo shared 54 eggs in the Ratio 5:4. How many eggs did each get?
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Question 8 of 50
8. Question
3 books and 2 pencils have a mass of 430g. One book and 4 pencils of the same sizes as the first set have a mass of 210g. Find the mass of each book and each pencil.
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Question 9 of 50
9. Question
Solve the inequality x – 1 > 6[x + 3].
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Question 10 of 50
10. Question
The base of a cone is always __________?
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Question 11 of 50
11. Question
A worker gets ₦900 for 10 days of work. Find the amount for 24 days.
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Question 12 of 50
12. Question
Given the decimal number 49.0 to base 3.
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Question 13 of 50
13. Question
A village is 10km on a bearing 050° from a point 0. Calculate how far the village is north of 0?
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Question 14 of 50
14. Question
An aerial mast has a shadow 40m long on a level ground. When the elevation of the sun is 70 degrees, calculate the height of the mast.
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Question 15 of 50
15. Question
Find the length of a rectangular field with perimeter 128cm and breath 3.7cm.
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Question 16 of 50
16. Question
Find the area of a square with side 6m.
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Question 17 of 50
17. Question
The range of 4, 3, 11, 9, 6, 15, 19, 23, 27, 24, 21 and 16 is
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Question 18 of 50
18. Question
Take pi= 3.1. Calculate the volume of a cylinder with height 5cm and radius 10cm.
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Question 19 of 50
19. Question
A trader sells a number of books and takes in ₦28, 700 altogether. If the average
selling price of a book is ₦350, find the number of books sold.CorrectIncorrect -
Question 20 of 50
20. Question
An assembly area is in the shape of a 30m by 30m square. Part of the area is a concrete rectangle 25m by 5m, the rest is grass. Calculate the area of the grass.
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Question 21 of 50
21. Question
A cone has a base radius of 5cm and slant height of 13.9cm, calculate the total surface area. Take pi = 3.142
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Question 22 of 50
22. Question
Calculate the volume of a cone with the following dimensions: height = 6cm, base radius =7cm.
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Question 23 of 50
23. Question
A house costing ₦150,000 depreciated by 25% in its first year, 20% in its second year and 10% in its third year. What is the value of the house after the third year?
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Question 24 of 50
24. Question
There are 96 books in a pile of equal thickness. If the height of the pile is 48cm, what is the thickness of one book? Estimate the thickness in millimeter.
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Question 25 of 50
25. Question
A trader sells pens at ₦14 each or four for ₦44. How much is saved by buying four pens at once instead of four pens separately?
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Question 26 of 50
26. Question
The ratio of the number of men to women in a 20-member committee is 3: 1. How many women must be added to the number so as to make the ratio of men to women 3:2?
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Question 27 of 50
27. Question
A father is 24 years older than the son. How old is the father and son if the ratio of their age is 5:2?
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Question 28 of 50
28. Question
How many minutes are there in a week?
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Question 29 of 50
29. Question
The mean of twelve positive numbers is 3. When another number is added, the mean becomes 5. Find the thirteenth number.
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Question 30 of 50
30. Question
If 9 is added to a number x, the result is greater than 17. Find the value of x.
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Question 31 of 50
31. Question
Find the mean for the following set of numbers 5,5,1,0,9.
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Question 32 of 50
32. Question
The number 186 047 was corrected to 186 000. Which of the following can correctly describe the degree of approximation?
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Question 33 of 50
33. Question
Solve 2(y – 2) + 3(y – 7) = 0.
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Question 34 of 50
34. Question
Solve for x if 20 – 6x < 4.
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Question 35 of 50
35. Question
The mass of each book of an encyclopedia is 7/4kg. There are 20 books in the encyclopedia. Find the total mass of the encyclopedia.
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Question 36 of 50
36. Question
Express 0.00629946 to 3 significant figures.
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Question 37 of 50
37. Question
Simplify (-25) x (20).
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Question 38 of 50
38. Question
After getting a raise of 15%, a man’s new monthly salary is ₦ 345. How much per month did he earn before the increase?
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Question 39 of 50
39. Question
Express 3.3m as a percentage of 7.5m.
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Question 40 of 50
40. Question
In a class of 80 students, every student had to study economics or geography, or
both economics and geography. If 65 students studied economics and 50 studied geography, how many studied both subjects?CorrectIncorrect -
Question 41 of 50
41. Question
While doing his Physics practical, Idowu recorded a reading as 1.12cm instead of 1.21cm. Calculate his percentage error.
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Question 42 of 50
42. Question
In an examination of a class of twelve, the following marks were scored in mathematics. 5, 4, 2, 8, 5, 4, 7, 2, 5, 4, 3, and 5. What is the mean mark?
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Question 43 of 50
43. Question
I add 9 to a certain number and then divide the sum by 16. Find the number if my final answer is 1.
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Question 44 of 50
44. Question
What is the median of the following set of numbers 8,6,3,10,6,9?
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Question 45 of 50
45. Question
The sum of two consecutive numbers is 7. Find the numbers.
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Question 46 of 50
46. Question
Find r if 5 + 8r = 37.
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Question 47 of 50
47. Question
Find the smallest number by which 252 can be multiplied to obtain a perfect square.
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Question 48 of 50
48. Question
The longest side of a right angled triangle is called ______.
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Question 49 of 50
49. Question
What fraction of 1 minute is 15 seconds?
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Question 50 of 50
50. Question
Express 3/5 as a decimal fraction.
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Leaderboard: National Mathematics Challenge JSS 2
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