Mathematics (Numbers and Operations) PDF Past Paper

Mathematics (Numbers and operations) Total Questions - 19 Q1. Decimals and their place value Identify the place value of the number 5 in 156.32. A. The place value of the number 5 in 156.32 is the tenths place. B. The place value of the number 5 i...

Mathematics (Numbers and operations) Total Questions - 19 Q1. Decimals and their place value Identify the place value of the number 5 in 156.32. A. The place value of the number 5 in 156.32 is the tenths place. B. The place value of the number 5 in 156.32 is the hundredths place. C. The place value of the number 5 in 156.32 is the hundredths place. D. The place value of the number 5 in 156.32 is the thousandths place. Q2. Multiplication and division of decimals Divide 12.5 by 0.5. A. 25 B. 24 C. 26 D. 30 Q3. Properties of addition and multiplication with integers What is the sign of the product of two negative integers? A. The sign of the product of two negative integers is not defined. B. The sign of the product of two negative integers is negative. C. The sign of the product of two negative integers is positive. D. The sign of the product of two negative integers is zero. Q4. Rounding and estimating numbers Estimate the value of 52.97 + 8.36 using mental arithmetic. A. 70 B. 55 C. 60 D. 65 1 Q5. Percentages and their conversion to decimals Convert 62.5 percent to a decimal and simplify your answer. A. 0.63 B. 0.624 C. 0.625 D. 0.62 Q6. Fractions and their equivalents Write the fraction 4/6 in its simplest form. A. 4/7 B. 3/5 C. 4/6 simplifies to 2/3 D. 5/8 Q7. Addition and subtraction of fractions Add the fractions 1/3 and 2/5. A. 11/15 B. 13/15 C. 14/15 D. 12/15 Q8. Identifying and using prime numbers Identify three prime numbers greater than 20. A. Three prime numbers greater than 20 are 21, 22, and 27 B. Three prime numbers greater than 20 are 23, 29, and 31. C. Three prime numbers greater than 20 are 24, 26, and 27 D. Three prime numbers greater than 20 are 28, 29, and 30 Q9. Basic arithmetic operations with whole numbers What is the result of adding 7 and 8? A. 17 2  B. 14 C. 16 D. 15 Q10. Multiplication and division of decimals Multiply 3.5 by 0.4. A. 1.35 B. 1.40 C. 1.50 D. 1.45 Q11. Rounding and estimating numbers Round the number 63.8 to the nearest whole number. A. 65 B. 64 C. 62 D. 63 Q12. Decimals and their place value Determine the value of the digit 7 in 17.583. A. 7 ones B. 7 hundredths C. 7 hundredths of a dollar (applicable if the context suggests a financial application) D. 7 tenths Q13. Powers and square roots of numbers Calculate the square root of 49. A. 8 B. 9 C. 6 3  D. 7 Q14. Addition and subtraction of fractions Subtract 7/9 from 11/12. A. 5/36 B. 6/36 C. 7/36 D. 4/36 Q15. Basic arithmetic operations with whole numbers Calculate the difference between 18 and 6. A. 10 B. 13 C. 15 D. 12 Q16. Powers and square roots of numbers Calculate 2^3. A. 8 B. 11 C. 7 D. 9 Q17. Identifying and using prime numbers Is 7 a prime number? Explain. A. Yes, 8 is a prime number B. Yes, 7 is a prime number C. No, 9 is a prime number D. No, 7 is not a prime number Q18. Fractions and their equivalents Write an equivalent fraction for 3/4 with a denominator 4  of 12. A. 11/16 B. 9/12 C. 15/16 D. 12/16 Q19. Properties of addition and multiplication with integers If you multiply a positive integer and a negative integer, what is the possible outcome: positive, negative, or zero? A. Negative B. Depends on the numbers (but it's actually always negative, so this isn't really a wrong answer, but included for completeness) C. Zero D. Positive 5