Jss1 Mathematics Quiz Questions And Answers

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Janaisa Harris, BA (Mathematics) |
High School Math Teacher
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Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a bachelor's degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher.
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  • 1/35 Questions

    A rectangle has a length of 8 cm and a width of 5 cm. What is its area?

    • 40 cm²
    • 45 cm²
    • 30 cm²
    • 50 cm²
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About This Quiz


Prepare to challenge your mathematical knowledge with the Mathematics JSS1 Quiz! This engaging quiz is tailored for junior secondary school students and covers a range of key topics, including basic arithmetic, fractions, percentages, and geometry. With a variety of multiple-choice questions, you'll have the opportunity to test your understanding of the concepts you've learned in class.

This quiz provides a fun and interactive way to reinforce your learning. Get ready to solve problems, learn from your mistakes, and improve your math abilities! Are you ready to demonstrate your math proficiency? Step up to the challenge and explore this exciting quiz to discover how well you know JSS1 Mathematics Questions and Answers.

Jss1 Mathematics Quiz Questions And Answers - Quiz

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  • 2. 

    What is the place value of 8 in 238056

    • 80

    • 800

    • 8

    • 8000

    Correct Answer
    A. 8000
    Explanation
    The correct answer is 8000 because the place value of a digit is determined by its position in the number. In the given number 238056, the digit 8 is in the thousands place, which means it represents 8000.

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  • 3. 

    The 5th multiple of 6 is …… 

    • 36

    • 18

    • 30

    • 24

    Correct Answer
    A. 30
    Explanation
    To determine the 5th multiple of 6, we start by understanding what a multiple is. A multiple of a number is the product of that number and an integer. In this case, we are looking for the multiples of 6.Here’s how to find the 5th multiple step by step:Identify the number: We are using 6 as our base number.Define what a multiple is: The multiples of a number are generated by multiplying that number by whole numbers (0, 1, 2, 3, ...).Calculate the multiples of 6:1st multiple: 6×1=66 \times 1 = 66×1=62nd multiple: 6×2=126 \times 2 = 126×2=123rd multiple: 6×3=186 \times 3 = 186×3=184th multiple: 6×4=246 \times 4 = 246×4=245th multiple: 6×5=306 \times 5 = 306×5=30Find the answer: The product of 666 and 555 gives us 303030. Therefore, the 5th multiple of 6 is 30.

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  • 4. 

    10/3 is a fraction called ….. 

    • Proper fraction

    • Improper fraction

    • Equivalent fraction

    • Mixed fraction 

    Correct Answer
    A. Improper fraction
    Explanation
    An improper fraction is a fraction where the numerator is greater than or equal to the denominator. In this case, 10 is greater than 3, so it is an improper fraction.

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  • 5. 

    Add up 315 and 231 

    • 231

    • 456

    • 564

    • 546

    Correct Answer
    A. 546
    Explanation
    To add 315 and 231, follow the basic rules of addition:
    Start by adding the digits in the ones column:
    5+1=6
    Move to the tens column:
    1+3=4
    Finally, add the digits in the hundreds column:
    3+2=5
    Now, combining these results, we get: 315+231=546
    The correct answer is: 546.

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  • 6. 

    Add the following 1.23 + 10.23 + 100.23  

    • 3.2553

    • 111.69

    • 325.53

    • 11.169

    Correct Answer
    A. 111.69
    Explanation
    To add 1.23 + 10.23 + 100.23:
    Start by aligning the decimal points:
    1.23+10.23+100.23
    Add each column starting from the right (hundredths, tenths, then units):
    Hundredths: 3+3+3=9
    Tenths: 2+2+2=6
    Whole numbers: 1+10+100=111
    So, the sum is:
    1.23+10.23+100.23=111.69

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  • 7. 

    Write in words 1,347,000  

    • One million four hundred and forty-seven thousand

    • One million three hundred and forty-seven thousand 

    • One million seven hundred and thirty-four thousand

    • One thousand three and forty-seven

    Correct Answer
    A. One million three hundred and forty-seven thousand 
    Explanation
    The correct answer is "one million three hundred and forty-seven thousand." This is the correct way to write the number 1,347,000 in words.

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  • 8. 

    Which one of these numbers is not a common factor of 12 and 24?  

    • 5

    • 2

    • 4

    • 3

    Correct Answer
    A. 5
    Explanation
    The number 5 is not a common factor of 12 and 24 because it does not divide evenly into either of them. Both 12 and 24 can be evenly divided by 2, 3, and 4, but not by 5.

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  • 9. 

    Find the common factors of 15 and 20. 

    • 1, 5 

    • 1, 3 

    • 1, 2 

    • 1, 4

    Correct Answer
    A. 1, 5 
    Explanation
    Factors of a number are integers that divide the number without leaving a remainder. To find the common factors, we first list the factors of each number:
    Factors of 15: 1, 3, 5, 15
    Factors of 20: 1, 2, 4, 5, 10, 20
    The common factors of both 15 and 20 are those that appear in both lists, which are 1 and 5.

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  • 10. 

    An integer is any positive or negative numeral. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    An integer is any positive or negative numeral without any decimal or fractional part. It includes whole numbers and their negative counterparts. Therefore, the statement that an integer is any positive or negative numeral is true.

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  • 11. 

    Find the HCF of 9, 15, and 24.  

    • 2

    • 6

    • 3

    • 7

    • Option 5

    Correct Answer
    A. 3
    Explanation
    The HCF (Highest Common Factor) is the largest number that divides all the given numbers without leaving a remainder. In this case, the factors of 9 are 1, 3, and 9. The factors of 15 are 1, 3, 5, and 15. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The common factors of all three numbers are 1 and 3. The largest common factor is 3, so it is the HCF of 9, 15, and 24.

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  • 12. 

    The LCM of 20, 24, and 30 

    • 120

    • 40

    • 60

    • 74

    Correct Answer
    A. 120
    Explanation
    The LCM (Least Common Multiple) is the smallest multiple that is divisible by all the given numbers. To find the LCM of 20, 24, and 30, we can list the multiples of each number and find the smallest common multiple. The multiples of 20 are 20, 40, 60, 80, 100, 120, ... The multiples of 24 are 24, 48, 72, 96, 120, ... The multiples of 30 are 30, 60, 90, 120, ... The smallest common multiple of all three numbers is 120, which is the LCM.

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  • 13. 

    All irrational numbers can be expressed as non-repeating, non-terminating decimals.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Irrational numbers are numbers that cannot be expressed as a fraction of two integers (i.e., they cannot be written as a ratio of whole numbers). These numbers have decimal expansions that are non-repeating and non-terminating. Examples include numbers like π (pi) and √2, whose decimal forms continue indefinitely without forming a repeating pattern. This contrasts with rational numbers, which can be written as fractions and have either terminating or repeating decimal representations.

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  • 14. 

                Change to decimal 3/8  

    • 0.573

    • 0.753

    • 0.375

    • 0.537

    Correct Answer
    A. 0.375
    Explanation
    To convert the fraction 3/8 to a decimal, perform the division 3 ÷ 8. This involves adding a decimal and zeros to the dividend (3). 8 goes into 30 three times (0.3), leaving a remainder of 6. Bringing down a zero gives 60; 8 goes into 60 seven times (0.37), with a remainder of 4. Bringing down another zero gives 40; 8 goes into 40 exactly five times (0.375) with no remainder. Alternatively, recognize that 8×125=1000, so 83​=8×1253×125​=1000375​=0.375. Thus, 3/8 as a decimal is 0.375.

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  • 15. 

    Which of the following options represents the simplest form of the fraction 125/240

    • 25/48

    • 120/420

    • 48/25

    • 25/58

    Correct Answer
    A. 25/48
    Explanation
    To simplify the fraction 125/240​, we find the greatest common factor (GCF) of the numerator (125) and the denominator (240), which is 5. Dividing both the numerator and denominator by 5, we get 25/48 as the simplest form of the fraction. 

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  • 16. 

    Find the sum of 29.34 and 837.5  

    • 1020.9 

    • 867.84

    • 1030.9

    • 866.84

    Correct Answer
    A. 866.84
    Explanation
    The correct answer is 866.84. To find the sum of 29.34 and 837.5, we add the two numbers together. 29.34 + 837.5 equals 866.84.

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  • 17. 

    Express 84 as a product of prime factors 

    • 2 x 2 x 2 x 3 x 3

    • 2 x 2 x 3 x 7

    • 2 x 3 x 3 x 7

    • 2 x 3 x 7

    Correct Answer
    A. 2 x 2 x 3 x 7
    Explanation
    To express 84 as a product of prime factors, we need to divide 84 by the smallest prime numbers until we can't divide any further.Start with 2, the smallest prime number:84÷2=4284 \div 2 = 4284÷2=42Divide 42 by 2 again (since 42 is also divisible by 2):42÷2=2142 \div 2 = 2142÷2=2121 is not divisible by 2, so we move to the next smallest prime number, which is 3. Divide 21 by 3:21÷3=721 \div 3 = 721÷3=77 is a prime number, so we stop here.Now, we can express 84 as a product of its prime factors:84=2×2×3×784 = 2 \times 2 \times 3 \times 784=2×2×3×7So, the correct expression of 84 as a product of prime factors is 2 \times 2 \times 3 \times 72×2×3×7.The correct answer is: 2 x 2 x 3 x 7.

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  • 18. 

    Which is greatest 42, 33 or 24?   

    • 24

    • They are equal

    • 33

    • 42

    Correct Answer
    A. 33
    Explanation
    To determine which is the greatest among 424^242, 333^333, and 242^424, we need to calculate the value of each expression:
    4^2: This means 4 raised to the power of 2.
    4^2=4×4=16
    3^3: This means 3 raised to the power of 3.
    3^3=3×3×3=27
    2^4: This means 2 raised to the power of 4.
    2^4=2×2×2×2=16
    Now we compare the results:
    4^2 = 16
    3^3 = 27
    2^4 = 16
    Among these, 3^3 = 27 is the greatest.

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  • 19. 

    Round up 1.865 to the nearest whole number 

    • 1

    • -2

    • 2

    • 4

    Correct Answer
    A. 2
    Explanation
    To round up 1.865 to the nearest whole number, we need to look at the decimal part of the number. Since the decimal part is greater than or equal to 0.5, we round up the whole number to the next higher integer. In this case, the decimal part is 0.865, which is greater than 0.5. Therefore, we round up 1.865 to the nearest whole number, which is 2.

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  • 20. 

    Find the sum of 695 and 455 and then divide the result by the difference between 39 and 34.  

    • 245

    • 230

    • 259

    • 247

    Correct Answer
    A. 230
    Explanation
    To find the sum of 695 and 455, we add them together: 695 + 455 = 1150.
    Then, we find the difference between 39 and 34: 39 - 34 = 5.
    Finally, we divide the result of the sum (1150) by the difference (5): 1150 / 5 = 230. Therefore, the correct answer is 230.

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  • 21. 

    The H.C.F. of 8 and 12 

    • 2

    • 4

    • 8

    • 6

    Correct Answer
    A. 4
    Explanation
    The H.C.F. (Highest Common Factor) is the largest number that divides both 8 and 12 without leaving a remainder. To find the H.C.F., we can list the factors of both numbers and find the largest common factor. The factors of 8 are 1, 2, 4, and 8, while the factors of 12 are 1, 2, 3, 4, 6, and 12. The largest common factor is 4, which is the H.C.F.

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  • 22. 

    MCM in Roman numeral stands for ……

    • 2100

    • 2000

    • 1800

    • 1900

    Correct Answer
    A. 1900
    Explanation
    In Roman numerals, M represents 1000 and CM represents 900 (C is 100, and M is 1000; so CM means 1000 - 100 = 900).
    When you combine M (1000) and CM (900), you get 1900.
    So, the correct answer is 1900.

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  • 23. 

    In leap year, the month of February has ……….. days.

    • 31

    • 29

    • 30

    • 28

    Correct Answer
    A. 29
    Explanation
    In a leap year, the month of February has 29 days. This is because a leap year occurs every 4 years and has an extra day added to the calendar to account for the Earth's orbit around the sun. This extra day, known as February 29th, ensures that the calendar stays in sync with the solar year.

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  • 24. 

    Convert 0.88 to percentage 

    • 88% 

    • 0.8% 

    • 8.8%

    • 0.88%

    Correct Answer
    A. 88% 
    Explanation
    To convert the decimal 0.880.880.88 to a percentage, you multiply it by 100100100 and add the percent sign:
    0.88×100=88%
    Therefore, 0.88 as a percentage is 88%.

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  • 25. 

    Write as decimal 4/8  

    • 0.357

    • 0.377

    • 0.375

    • 0.5

    Correct Answer
    A. 0.5
    Explanation
    The given fraction 4/8 can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 4. After simplification, the fraction becomes 1/2. In decimal form, 1/2 is equal to 0.5.

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  • 26. 

    What is the least common multiple (LCM) of 12 and 18?

    • 36

    • 54

    • 72

    • 24

    Correct Answer
    A. 36
    Explanation
    Find the prime factorization of each number:
    12 = 2² × 3¹
    18 = 2¹ × 3²
    Identify the highest power of each prime factor:
    For 2, the highest power is 2² (from 12).
    For 3, the highest power is 3² (from 18).
    Multiply these together to find the LCM:
    LCM = 2² × 3² = 4 × 9 = 36

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  • 27. 

    Express correct 14.467 to 2 decimal places 

    • 14.5

    • 14.4

    • 14.47

    • 14.467

    Correct Answer
    A. 14.47
    Explanation
    The correct answer is 14.47 because when expressing a number to 2 decimal places, we round the number to the nearest hundredth. In this case, 14.467 is closer to 14.47 than it is to 14.46, so we round up to 14.47.

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  • 28. 

    Change 12835 to the nearest thousand

    • 12,000

    • 13,000

    • 12800

    • 12840

    Correct Answer
    A. 13,000
    Explanation
    To round 12835 to the nearest thousand, we look at the hundreds digit. Since it is 8, which is greater than or equal to 5, we round up to the next thousand. Therefore, the nearest thousand to 12835 is 13000.

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  • 29. 

    Which of the following statements accurately describes the relationship between a function and its inverse?

    • The inverse of a function always exists. 

    • The graphs of a function and its inverse are reflections of each other across the line y = x. 

    • The composition of a function and its inverse always results in the identity function.

    • Both b and c.

    Correct Answer
    A. Both b and c.
    Explanation
    A function and its inverse are related in such a way that they "undo" each other. This means that if you apply a function and then its inverse to a value, you get the original value back. Graphically, this relationship is represented by a reflection across the line y = x. However, it's important to note that not all functions have inverses. Only functions that are one-to-one (meaning each input has a unique output) have inverses.

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  • 30. 

    Change 70% to a fraction.

    • 7/100

    • 7/10

    • 70/10 

    • 70/1000

    Correct Answer
    A. 7/10
    Explanation
    To change 70% to a fraction, first express 70% as 70/100, because percent means "out of 100."Now, simplify 70/100 by dividing both the numerator and denominator by 10. This gives 7/10.So, the correct answer is 7/10.

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  • 31. 

    Find the prime factors of 18 

    • 6 and 18

    • 2,3 and 6

    • 3 and 9

    • 2, 3 and 3

    Correct Answer
    A. 2, 3 and 3
    Explanation
    To find the prime factors of 18, we can follow these steps:Start with the number: 18.Divide by the smallest prime number: The smallest prime number is 2. Since 18 is even, we can divide it by 2.18÷2=918 \div 2 = 918÷2=9Continue with the quotient: Now we take 9. The next smallest prime number is 3. We can divide 9 by 3.9÷3=39 \div 3 = 39÷3=3Repeat the division: We can divide 3 by 3 again.3÷3=13 \div 3 = 13÷3=1Now that we have reached 1, we can stop.The prime factors of 18 are the prime numbers we used to divide, which are 2 and 3. Since we used 3 twice, we express the prime factorization of 18 as:18=2×3×3or18=2×32

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  • 32. 

    Which of the following is a pure number 

    • 25 ml

    • 31

    • 36 m/s

    • 42 s

    Correct Answer
    A. 31
    Explanation
    A pure number is a number that does not have any units or dimensions associated with it. In this case, all the given options are numbers, but only 31 does not have any units or dimensions attached to it. Therefore, 31 is the pure number among the given options.

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  • 33. 

    Find the prime factors of 15

    • 1,3,5

    • 1,3,15

    • 3,5,15

    • 3,5

    Correct Answer
    A. 3,5
    Explanation
    To find the prime factors of 15, we break it down into numbers that multiply to give 15, ensuring they are prime:Start by dividing 15 by the smallest prime number, which is 3:15÷3=515 ÷ 3 = 515÷3=5Now, 5 is a prime number, so we stop here.Thus, the prime factors of 15 are 3 and 5. The correct answer is: 3, 5.Explanation:Prime factors are numbers that are both prime and can multiply together to give the original number.3 and 5 are the only prime numbers that multiply to make 15.

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  • 34. 

    Round off 394.672 to 2 significant figure.

    • 395

    • 380

    • 390

    • 393

    Correct Answer
    A. 390
    Explanation
    394.672 rounded to 2 significant figures would be 390. This is because the first significant figure is 3, and the second significant figure is 9. Since the digit following the second significant figure (4) is less than 5, the second significant figure remains unchanged. Therefore, the correct answer is 390.

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  • 35. 

    What is the value of 72−5×6+3?

    • 28

    • 24

    • 22

    • 20

    Correct Answer
    A. 22
    Explanation
    To solve the expression 72−5×6+3, you need to follow the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication, and Division (from left to right), Addition, and Subtraction (from left to right)).
    Calculate the exponent:
    72=49
    Next, perform the multiplication:
    5×6=30
    Now substitute these values back into the expression: 49−30+3
    Perform the subtraction first: 49−30=19
    Then, add 3: 19+3=22
    Thus, the final result is:
    Value=22

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Janaisa Harris |BA (Mathematics) |
High School Math Teacher
Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a bachelor's degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher.

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