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    Mathematics A: Surds and Indices Model Answers

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    This document appears to be an exam paper for a GCSE Mathematics test on surds and indices. It contains 8 questions testing skills with surds and indices. Students are instructed to show their working, simplify expressions, expand brackets, and order expressions by size. A calculator is not permitted and the test is out of a total of 100 marks.

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    Mathematics A: Surds and Indices Model Answers

    Uploaded by

    Travel Unlimited
    45 views8 pages
    This document appears to be an exam paper for a GCSE Mathematics test on surds and indices. It contains 8 questions testing skills with surds and indices. Students are instructed to show their working, simplify expressions, expand brackets, and order expressions by size. A calculator is not permitted and the test is out of a total of 100 marks.

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    Original Title

    92653-surds_new1_ans

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    This document appears to be an exam paper for a GCSE Mathematics test on surds and indices. It contains 8 questions testing skills with surds and indices. Students are instructed to show their working, simplify expressions, expand brackets, and order expressions by size. A calculator is not permitted and the test is out of a total of 100 marks.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    45 views8 pages

    Mathematics A: Surds and Indices Model Answers

    Uploaded by

    Travel Unlimited
    This document appears to be an exam paper for a GCSE Mathematics test on surds and indices. It contains 8 questions testing skills with surds and indices. Students are instructed to show their working, simplify expressions, expand brackets, and order expressions by size. A calculator is not permitted and the test is out of a total of 100 marks.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 8

    Write your name here

    Surname Other names

    In the style of: Centre Number Candidate Number

    Edexcel GCSE
    Mathematics A
    Surds and Indices
    Model Answers Higher Tier
    Past Paper Style Questions Paper Reference

    Arranged by Topic 1MA0/1H


    You must have: Ruler graduated in centimetres and millimetres, Total Marks
    protractor, pair of compasses, pen, HB pencil, eraser. Tracing
    paper may be used.

    Instructions
    t Use black ink or ball-point pen.
    t Fill in the boxes at the top of this page with your name,
    centre number and candidate number.
    t Answer all questions.
    t Answer the questions in the spaces provided
    – there may be more space than you need.
    t Calculators must not be used.
    Information
    t The
    The total mark for this paper is 100
    t – usemarks for each question are shown in brackets
    this as a guide as to how much time to spend on each question.
    t written
    Questions labelled with an asterisk (*) are ones where the quality of your
    communication will be assessed.

    Advice
    t Read each question carefully before you start to answer it.
    t Keep an eye on the time.
    t Try to answer every question.
    t Check your answers if you have time at the end.
    Turn over

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    1.
    Work out

    Give your answer in its simplest form.

    -1
    ........................................

    1
    2. (a) Write down the value of 64 2

    8
    .....................
    (1)

    (b) Write 45 in the form k 5 , where k is an integer.

    An integer is a whole number.

    .....................
    (1)

    (Total 2 marks)

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    3. Find the value of

    (i) 80
    Anything to the power of 0, except 0, is 1

    1
    .....................................
    1
    (ii) 64 2

    8
    .....................................

    (iii)

    .....................................

    (Total 4 marks)

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    4. (a) Simplify

    ....................................
    (1)

    (b) Simplify

    ....................................
    (1)

    (c) Expand

    ....................................
    (2)

    (d) Expand and simplify

    ....................................
    (2)

    (e) Simplify

    ....................................
    (1)

    (f) Simplify

    Subtract the powers.


    ....................................
    (1)

    (Total 8 marks)

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    5. (a) Simplify q5 × q4

    Add the powers. .....................................


    (1)

    (b) Simplify r5 ÷ r2
    Subtract the powers. .....................................
    (1)

    (c) Simplify 12tv6 ÷ 6tv5

    .....................................
    (2)
    1
    (d) Simplify (9 w2 y 6 ) 2

    .....................................
    (2)

    (e) For y > 1, write the following expressions in order of size.


    Start with the expression with the least value.

    If you are unsure, try putting in a number. Let y be 2

    ..........................................................................................
    (2)
    (Total 8 marks)

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    6. (a) Simplify

    ..................................
    (1)

    (b) Simplify

    ..................................
    (1)

    (c) Simplify

    ..................................
    (2)

    (Total 4 marks)

    7. (a) Expand and simplify 3(a + 4) + 5(2a + 1)

    .....................................
    (2)

    (b) Simplify x4 × x6

    .....................................
    (1)

    (c) Simplify y8 ÷ y5

    .....................................
    (1)

    (d) Simplify (z4 )3

    Multiply the powers


    .....................................
    (1)

    (Total 5 marks)

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    8. (a) Simplify v6 × v2

    ..............................
    (1)
    m8
    (b) Simplify
    m3
    ..............................
    (1)

    (c) Simplify (2y)3

    ........................................
    (2)

    (d) Simplify 3a2h × 4a5h4

    ........................................
    (2)

    (Total 6 marks)

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    BLANK PAGE

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