Mathematics Grade 9 Unit 2 Review Exercise Part- 2

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9. Prove that there exists a real number between any two real numbers.
10.If are two rational numbers, show that is also rational number.
11.Find the absolute value of each of the following.
12.Give equivalent expression, containing fractional exponents, for each of the following
13.Describe the following numbers as fractions with rational denominators.
14.Find an irrational number between .
16.Simplify each of the following
17.Each of the following numbers is correct to one decimal place.
• Give the upper and lower bounds of each.
• Using 𝑥 as the number, express the range in which the number lies as an
inequality.
18.Express each of the following numbers in scientific notation.
19.On the number line which one of the following real numbers is found farthest from the origin?
20.According to the division algorithm, what should be the value of 𝑞 and
𝑟 respectively so that 736 = 12𝑞 + 𝑟?
21.Suppose 𝑥 is a rational number and 𝑦 is an irrational number, then which one of the following is necessarily true?
22.Which one of the following statements is true about the set of real numbers ℝ?
A. Every real number has a multiplicative inverse.
B. Subtraction is associative over ℝ.
C. −𝑎 is the additive inverse of 𝑎 for every 𝑎ϵℝ.
D. Division is commutative over ℝ.
23.When the positive integers 𝑎, 𝑏 and 𝑐 are divided by 13 , the respective
remainders are 9, 7 and 10, respectively. Show that 𝑎 + 𝑏 + 𝑐 is divisible by 13.
24.There are 14 girls and 21 boys in a school. These students want to give a voluntary traffic safety service. Their school director assigned a task to be done in a team. Each team must have an equal number of boys and girls on it. What is the greatest number of teams the director can make if every student should be in a team? How many boys and girls will be in each team?
25.Floor of an ICT room of your school is to be fitted with a square marble of the largest possible size. The size of the room is 10 m by 7 m. What should be the size of the tiles required that has to be cut and how many such tiles are required?

Grade 9 Mathematics Unit 2 Review Exercise Part- 2
Mathematics Grade 9 Unit 2 Review Exercise Part- 2
Grade 9 Mathematics Unit 2 Review Exercise Part- 2

Math Grade 9 Unit 2 Review Exercise Part- 2
Grade 9 Math Unit 2 Review Exercise Part- 2
Math Grade 9 Unit 2 Review Exercise Part- 2
Grade 9 Math Unit 2 Review Exercise Part- 2

Math's Grade 9 Unit two Review Exercise
Grade 9 Math's Unit two Review Exercise
Math's Grade 9 Unit two Review Exercise
Grade 9 Math's Unit two Review Exercise

Mathematics Grade Nine Unit two Review Exercise
Grade Nine Mathematics Unit two Review Exercise
Mathematics Grade Nine Unit two Review Exercise
Grade Nine Mathematics Unit two Review Exercise

Math's Grade Nine Unit two Review Exercise
Grade Nine Math's Unit two Review Exercise
Mathematics Grade Nine Unit two Review Exercise

Grade 9 Mathematics Unit 2 Review Exercise
Mathematics Grade 9 unit 2 Review Exercise
Grade 9 Mathematics unit 2 Review Exercise

Math's Grade Nine Unit 2 Review Exercise
Grade Nine Math's Unit 2 Review Exercise
Math's Grade Nine Review Exercise
Grade Nine Math's 2 Review Exercise

Math's Grade Nine Chapter two Review Exercise
Grade Nine Math's Chapter two Review Exercise
Math's Grade 9 Chapter two Review Exercise
Grade 9 Math's Chapter two Review Exercise
Math's Grade Nine Review Exercise
Math's Grade 9 Review Exercise
Math Grade Nine Review Exercise
Math Grade 9Review Exercise

Mathematics Grade Nine Review Exercise
Mathematics Grade 9 Review Exercise

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