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Biomath School- 0961904487
Page 1
MATHEMATICS-Bodmas, Decimals, Fractions, Indices & Equations,
10 Quick revision questions and answers
1. (a)Evaluate 12 - 6 3 4
Answer: use BODMAS
6 , -2+4=2
12+2=14
(b)Evaluate 0.3 1.5
Answer: first convert into fractions
(c) Evaluate
Answer: since the denominators need a common denominator
of . Just cross multiply and subtract.
Biomath School- 0961904487
Page 2
(d) Evaluate
Answer: you should maintain , but should change to .
2. Write the number 0.034 in standard form.
Answer: First convert 0.034 in standard form and then use indices.
0.034=
3. Solve the simultaneous equations below.
Answer: from the two equations, it is clear that we should use
substitution method by making as the subject of formula.
Then multiply 4 by
Biomath School- 0961904487
Page 3
Collect like terms
4. Express 500 as the product of its prime factors.
Answer: see how I am doing it.
500=5
500=5
500=5 , there are now three fives and two twos.
500=
5. Given that M= N=
Find the value p and q when
(i) M (ii) M (iii)
Answer: (i) , p=5, q=4
Biomath School- 0961904487
Page 4
(ii) , p=-3, q=0
(iii) , p=8, q=4
6. Factorise to find the value of y,
Answer :( 3y+2) (y-3) =0, y=
7. Simplify
Answer: first work on things inside the brackets using rules of indices.
The final answer is .
8. Solve the equation
Answer: multiply 5 by
Collect like terms
Biomath School- 0961904487
Page 5
9.
From the numbers listed above, write down
(a) a square number- Answer:81
(b) a cube number- Answer: 8
(c) an irrational number Answer:
10.Find the value of n, if
Answer:
Click the link below and Join Biomath School WhatsApp Group for more
10 Quick Revision Questions & Answers in Mathematics, Biology, Sciences
and English.
https://chat.whatsapp.com/Jr3E6bHf8pZ13Oer24JySh

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  • 1. Biomath School- 0961904487 Page 1 MATHEMATICS-Bodmas, Decimals, Fractions, Indices & Equations, 10 Quick revision questions and answers 1. (a)Evaluate 12 - 6 3 4 Answer: use BODMAS 6 , -2+4=2 12+2=14 (b)Evaluate 0.3 1.5 Answer: first convert into fractions (c) Evaluate Answer: since the denominators need a common denominator of . Just cross multiply and subtract.
  • 2. Biomath School- 0961904487 Page 2 (d) Evaluate Answer: you should maintain , but should change to . 2. Write the number 0.034 in standard form. Answer: First convert 0.034 in standard form and then use indices. 0.034= 3. Solve the simultaneous equations below. Answer: from the two equations, it is clear that we should use substitution method by making as the subject of formula. Then multiply 4 by
  • 3. Biomath School- 0961904487 Page 3 Collect like terms 4. Express 500 as the product of its prime factors. Answer: see how I am doing it. 500=5 500=5 500=5 , there are now three fives and two twos. 500= 5. Given that M= N= Find the value p and q when (i) M (ii) M (iii) Answer: (i) , p=5, q=4
  • 4. Biomath School- 0961904487 Page 4 (ii) , p=-3, q=0 (iii) , p=8, q=4 6. Factorise to find the value of y, Answer :( 3y+2) (y-3) =0, y= 7. Simplify Answer: first work on things inside the brackets using rules of indices. The final answer is . 8. Solve the equation Answer: multiply 5 by Collect like terms
  • 5. Biomath School- 0961904487 Page 5 9. From the numbers listed above, write down (a) a square number- Answer:81 (b) a cube number- Answer: 8 (c) an irrational number Answer: 10.Find the value of n, if Answer: Click the link below and Join Biomath School WhatsApp Group for more 10 Quick Revision Questions & Answers in Mathematics, Biology, Sciences and English. https://chat.whatsapp.com/Jr3E6bHf8pZ13Oer24JySh