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Cell biology
Biological molecules
Organisation
Infection and response
Energy transfers (a2 only)
Homeostasis and response
Responding to change (a2 only)
The control of gene expression (a-level only)
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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1c the tudors: england, 1485-1603
1l the quest for political stability: germany, 1871-1991
Inter-war germany
1f industrialisation and the people: britain, c1783-1885
Britain & the wider world: 1745 -1901
2n revolution and dictatorship: russia, 1917-1953
2j america: a nation divided, c1845-1877
The cold war
World war two & the holocaust
World war one
Medieval period: 1066 -1509
The fight for female suffrage
2m wars and welfare: britain in transition, 1906-1957
2d religious conflict and the church in england, c1529-c1570
Britain: 1509 -1745
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11/10/2022
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dfm drfrostmaths.com "Full Coverage": Laws of Indices This worksheet is designed to cover one question of each type seen in past papers, for each GCSE Higher Tier topic. This worksheet was automatically generated by the DrFrost Maths Homework Platform: students can practice this set of questions interactively by going to www.drfrostmaths.com/homework, logging on, Practise → Past Papers/Worksheets (or Library → Past/Past Papers for teachers), and using the 'Revision' tab. Question 1 Categorisation: Calculate simple powers. [Edexcel GCSE June2008-2F Q15b] (b) Work out the value of 26 Question 2 Categorisation: Understand the term 'reciprocal'. [Edexcel GCSE June2007-31 Q18b, June 2007-5H Q10b] Write down the reciprocal of 2 Question 3 Categorisation: Evaluate a term when the power is 0. [Edexcel GCSE June2003-5H Q16i] Work out 4⁰ www.drfrostmaths.com Question 4 Categorisation: Use the law a' × ac = ab+c [Edexcel GCSE(9-1) Mock Set 2 Spring 2017 3F Q24] p² x pn = p6 Find the value of n. Question 5 Categorisation: Use the law ab ÷ ac = ab-c [Edexcel GCSE(9-1) Mock Set 2 Spring 2017 3H Q13b] Simplify n + n/² Question 6 Categorisation: Combine laws of indices and appreciate that a = a¹. [Edexcel GCSE June2007-31 Q18aii, June 2007-5H Q10aii] Write as a power of 7 7² x 73 7 Question 7 Categorisation: Use the law (ab) = abc. [Edexcel IGCSE May2015-3H Q9d] Simplify (x-)-² www.drfrostmaths.com n = Question 8 Categorisation: Use the law ab × aº = ab+c backwards, i.e. write...
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an expression in the form ab+c as a¹ × ac. [Edexcel GCSE June2003-6H Q17ai] x = 2P, y = 29 Express 2P+q in terms of x and/or y. Question 9 Categorisation: As above, but with the law ab ÷ ac = ab-c [Edexcel GCSE June2003-6H Q17aiii] x = 2P, y = 29 Express 2P-1 in terms of x and/or y . Question 10 Categorisation: Recognise that abc could be written as either (ab) or (aº)¹. [Edexcel GCSE June2003-6H Q17aii] x = 2P, y = 29 Express 229 in terms of x and/or y. www.drfrostmaths.com Question 11 Categorisation: Identify a missing power when negative indices are involved. [Edexcel GCSE Nov2011-3H Q18b] Write down the value of y. [Edexcel GCSE June2003-31 Q24iii] Work out the value of 2y = 4 Question 12 Categorisation: Combine laws of indices with laws of surds, in particular recognizing that √a² = (a¹)² = azº, i.e. square rooting has the effect of halving the power. 24 x 9 www.drfrostmaths.com Question 13 Categorisation: As above, but with other roots (e.g. cube root) and where prior simplification may be required. [Edexcel GCSE(9-1) Mock Set 2 Spring 2017 1H Q15a] Find the value of y = √27 x 3 x 108 Question 14 Categorisation: Recognise that a square root can be written using a power of thus enabling the entire term to be written as a power, e.g. 25√√5 = 5² × 52 = 52. 5 [Edexcel GCSE June2006-5H Q20b] 8√8 can be written in the form 8k Find the value of k. Question 15 Categorisation: As above but a more complex mixture of terms. [Edexcel IGCSE Jan2016(R)-3H Q13b] Work out the value of k. និ www.drfrostmaths.com √√√a² k = ak k = Question 16 Categorisation: Use laws of indices to multiply algebraic terms. [Edexcel GCSE(9-1) Mock Set 1 Autumn 2016 3H Q10] Simplify 3m²r x 4m³r6 Question 17 Categorisation: Use laws of indices to divide algebraic terms. [Edexcel IGCSE Jan2016-3H Q4d] Expand and simplify 36k³m4 30k5m Question 18 Categorisation: Raise a single term to a power. [Edexcel IGCSE Jan2016(R)-3H Q13a] Simplify (4h) ³ Question 19 Categorisation: Raise a single term to a fractional power. [Edexcel GCSE June2010-4H Q22d] Simplify (9w²y6) www.drfrostmaths.com Question 20 Categorisation: Change all terms to a consistent base where they are different, e.g. 9x × 3² = (32)* × 3² = 3²x × 3² = 32x+2 [Edexcel GCSE Nov2007-5H Q16b] Work out the value of x. Question 21 Categorisation: Recognise that (ab) = (ac)b 2308⁹ = 2x [Edexcel GCSE(9-1) Mock Set 1 Autumn 2016 - 2H Q14] Given that 3-" = 0.2, find the value of (34)" Write down the value of Question 22 Categorisation: Raise a number to a fractional power with denominator 1. [Edexcel GCSE June2006-5H Q20a] www.drfrostmaths.com X = Question 23 Categorisation: Raise a number to any (positive) fraction. [Edexcel GCSE June2003-5H Q16iii] Work out 162 Question 24 Categorisation: Raise a number to a negative integer power. [Edexcel GCSE June2003-5H Q16ii] Work out 4-2 Question 25 Categorisation: Raise a number to a negative an fractional power. [Edexcel GCSE(9-1) Mock Set 1 Autumn 2016-1H Q10] Find the value of 64 3 Question 26 Categorisation: Raise a fraction to a power. [Edexcel GCSE June 2010-3H Q24iii] (²7) ³. Find the value of www.drfrostmaths.com Question 27 Categorisation: As above, but where the fraction can first be simplified. [Edexcel GCSE(9-1) Mock Set 2 Spring 2017 1H Q15b] Find the value of 216\/ Question 28 Categorisation: Raise a fraction involving algebraic terms to a negative power. [Edexcel GCSE Nov2014-1H Q22b] Simplify www.drfrostmaths.com 64x6) 25y² Question 29 Categorisation: Raise a fraction involving algebraic terms to a positive power. [Edexcel IGCSE Jan2016-4H Q17a] Simplify -=-=- 8e6\ f12 ³ Question 30 Categorisation: Use laws of indices in the context of simultaneous equations. [Edexcel GCSE June2003-6H Q17b] x = 2P, y = 29 xy = 32 and 2xy² = 32 Find the value of p and the value of q. Question 31 Categorisation: Order numbers each raised to a power. [Edexcel GCSE June2010-4H Q22e] For x > 1, write the following expressions in order of size: 구를 xo www.drfrostmaths.com x² X x-2 Question 32 Categorisation: Use laws of indices in the context of standard form. [Edexcel IGCSE Jan2016-4H Q25] y = 16 x 108k where k is an integer. Find an expression, in terms of k, for y Give your answer in standard form. Answers Question 1 64 Question 2 Question 3 Question 4 Question 5 ITT Question 6 Question 7 Question 8 xy Question 9 플 Question 10 y² Question 11 y = -2 www.drfrostmaths.com Question 12 12 Question 13 300 Question 14 k = 1.5 Question 15 k = ³/6 Question 16 12m5r7 Question 17 6m³ 5k² Question 18 64h² Question 19 3wy³ Question 20 x = 3 Question 21 625 Question 22 2 Question 23 64 www.drfrostmaths.com Question 24 16 Question 25 1 16 Question 26 4 Question 27 25 9 Question 28 5y 8x3 Question 29 2e² f4 Question 30 p=6, q = -1 Question 31 x-², x⁰, x², x,x² Question 32 www.drfrostmaths.com 3.2 x 1010k+1