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tempera-image-five caption-dark tempera-menu-center essb-9.2"> <br> <div id="wrapper" class="hfeed"> <div id="main"> <div id="forbottom"> <div id="content" role="main"> <div class="breadcrumbs">Save my exams maths igcse. 8 Scatter Graphs & Correlation.</div> <div id="post-15664" class="post-15664 contemporary type-contemporary status-publish has-post-thumbnail hentry"> <div class="entry-content"> <h1 class="center"><strong>Save my exams maths igcse. We can solve some of these by inspection.</strong></h1> <hr> <!-- no json scripts to comment in the content --> <div> <h2 style="text-align: center;"><strong>Save my exams maths igcse. A bearing of 065 means 65° clockwise from the North.</strong></h2> <h2 style="text-align: left;"><span style="font-family: Times;"><span style="font-size: medium;"><b><br> </b></span></span></h2> <p>Save my exams maths igcse. Paul is a passionate fan of clear and colourful notes with fascinating diagrams – one of the many reasons he is excited to be a member of the SME team. Putting in would give For example, if the function Past paper and exam-style questions, organised by topic. There are two modes (bi-modal) - 12 and 14 seconds. a) Prove that the two rectangles shown in the diagram below are similar. A quadratic with a negative coefficient of will be an n-shape. STEP 3: Connect the translated vertices and label the translated image. Vectors & Transformation Geometry. A positive value is a percentage increase. Paper 4-6 Higher Tier MS. Here, you'll find an array of revision notes, topic questions, fully explained model answers, past exam papers and more, meticulously THE Fibonacci sequence is 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, The sequence starts with the first two terms as 1. Write down the algebraic expression for the next consecutive even number after 2n. a(b + 2) + 3b + 6. Write the ratio guests : crew in its simplest form. If the angle of the slice is θ (the Greek letter “theta”) then the formulae for the area of a sector and the length of an arc are just fractions of the area and circumference of a circle : Remember that a full circle is equal to 360° so the fraction will be the angle, out of 360. 2marks. Concise resources for the GCSE Edexcel Maths course. Draw a right-angled triangle onto the straight line graph. Use the two lengths (15 cm and 6 cm) to find the scale factor. In the diagram, is the origin, and is the midpoint of . 4 = 0. You can collect like terms with surds like you do with letters in algebra. Frequency density. 2 Bounds for the CIE IGCSE Maths: Extended syllabus, written by the Maths experts at Save My Exams. For example, 12345678 could be written as 12 345 678. 13. This reading will be the percentile. Rewrite the expression grouping these terms together. 8 cm × 150000. a = 7. Syllabus Edition. In the example above, the gradient at x = 4 would be. The main rule for differentiation is shown. 2 up) So we copy the given graph in its new position. 18. Progress tracking across 20+ topics & 445+ questions, sorted by difficulty. What are powers/indices? Powers of a number is when that number is multiplied by itself repeatedly. Did this page help you? Revision notes on ‘Multiplication (non-Calc)’ for the CIE IGCSE Maths exam. Paper 3 (Core) Mark Scheme. A plane of symmetry is a plane that splits a 3D shape into two congruent (identical) halves. On the Venn diagram, shade the region . 3. any number on its own differentiates to zero. 3:1 is "simpler" than 6:2, so we can say that 6:2 simplifies to 3:1. Normally the first step is to find this scale factor. Mark schemes. Scatter Graphs & Correlation. Use a ruler to measure the distance accurately on the map. ·. The two congruent halves are identical, mirror images of each other. If you are given the bearing from A to B draw the North line at A. (b) Compare the number of goals scored per game by the two teams. Raise the multiplier to the power of the number of years (or months etc) Multiply by the starting value. Find the gradient of the tangent using Gradient = RISE ÷ RUN. b) Comment on the mode of the data. Write as a product of prime factors. Progress tracking across undefined+ topics & undefined+ questions, sorted by difficulty. c is the side opposite angle C. 35 as a percentage is 0. Our extensive collection of resources is the perfect tool for students aiming to ace their exams and for teachers seeking reliable resources to support their students' learning journey. March 2015. Count how many times you need to divide a by 10 to get the original number. A quadratic with a positive coefficient of will be a u-shape. All prisms have at least one plane of symmetry. a – the first term in an arithmetic series. Draw a horizontal line from on the cumulative frequency axis until it hits the curve. Specimen Paper 2 (Calculator) Mark Scheme. Save My Exams is the stress-free path to helping students study effectively and get higher grades than they ever thought possible. Solve the simultaneous equations. 2. How did you do? Stuck? View related notes. STEP 4: To simplify a surd, separate out a square factor and square root it. Calculate p and interpret its value. Histograms. 4x - 3y = 18. Factorise the first two terms, using a as a common factor. If the scale factor is greater than 1 the shape is getting bigger. f. The shape made by a quadratic graph is known as a parabola. Paper 22. STEP 2 Take one off the power (reduce the power by 1) 2 x6 differentiates to 12 x5. Method 2: To find “a percentage of X”: multiply X by the "decimal equivalent" of that percentage (percentage ÷ 100) for example, 23% of 40 is 40 x 0. STEP 1: Place the tracing paper over page and draw over the original object. 4. Model Answers. 8 cm. Use the scale to find the actual distance in the same units (usually cm) For example, if the scale is 1 : 150000 the actual distance = 5. 5 2 means 5 × 5. CIE IGCSE Maths: Core. ab + 2a + 3b + 6. Do the larger value subtract the smaller value. Understanding how to simplify surds can help reduce expressions and collect like terms. 1 Graphical Inequalities for the CIE IGCSE Maths: Extended syllabus, written by the Maths: Extended experts at Save My Exams. Note the following: kx differentiates to k. 5 × 6. Watch Solution. the coordinates where the curve crosses the -axis, How did you do? the coordinates of the turning point on the curve, How did you do? Sketch the curve showing the points you have found. If a 3D shape has a plane of symmetry, it has reflection symmetry. so 10 x differentiates to 10. 90 = 2 × 3 × 3 × 5. 5x + 2y = 11. Draw the box plot by first plotting all five points as vertical lines. Method 2: Use the formula that the "percentage change" is. 4 ≤ m < 8. 5. p =. Give them a try and see how you do! GCSE Maths Past Papers & Mark Schemes (AQA) Browse our range of foundation tier and higher tier AQA GCSE Maths Past Papers (8300) below. STEP 5. The original number is smaller than 1 so n will be negative. Any sequence that has the term-to-term rule of adding the previous View related notes. translation. 052. 6. 052 ÷ 10 ÷ 10 ÷ 10. Sample Papers. 8 kg to 59. 1 1 mark. STEP 3: Measure the angle of the bearing given from the North line in the clockwise direction. Geometry & Trigonometry. 24 + 17 + 10 + 3 + -4 + + -95. 5 + 9 + 13 + 17 + 21 + eg2. ) Median time = 14 seconds. b) The sine rule allows us to find missing side lengths or angles in non-right-angled triangles. 23% of 40 is 40 ÷ 100 = 0. 2. 1 Set Notation & Venn Diagrams for the CIE IGCSE Maths: Extended syllabus, written by the Maths: Extended experts at Save My Exams. Notice that two terms are needed to start a Fibonacci sequence. A quadratic will always cross the -axis. Give your answer correct to 3 significant figures. so 8 differentiates to 0. 8. Make your way through our clear revision notes, Additional Maths past papers, typical exam questions, fully-explained model answers and more, tailored to your Additional Maths specification. Collect the terms to one side by subtracting the term with the smaller coefficient of. 4, multiply by 23: 0. Each subsequent term is the sum of the previous two. In some cases, where the vectors are small enough, the image can overlap the object. Paper 12. Calculating the upper bound of the area, using the two largest measurements. Past papers. When dealing with large numbers, it is often helpful to write them with a space between some of the digits. grades 2x. The big number on the bottom is sometimes called the base number. 02 shows a percentage increase of 2%. 14 + 20 + 19 + 16 + 23 = 92. Slabs are 50 cm long, measured to the nearest 10 cm. Solve the equation. This is a translation by −3 in the x direction (i. 4 Averages & Range. 5 Statistical Diagrams. 8. Logarithms allow us to solve equations where the exponent is the unknown value. Give them a try and see how you do! These revision resources will save you from revising the wrong things, increase your productivity, and therefore boost your grades with the least wasted time. Upper Bound = 33. Work out. The small number that is raised is called the index or the exponent. Specimen papers. Here, you'll find an array of revision notes, topic questions, fully explained model answers, past exam papers and more, meticulously organized to Use the table and histogram to find the value of in the formula. STEP 3. New value is. 2 Set Notation & Venn Diagrams. Sequences, Functions & Graphs. Specimen Paper 1 (Non-Calculator) Mark Scheme. STEP 1. Expand the brackets and collect like terms. It is an estimate because the tangent has been drawn by eye and is not exact. HCF = 630. Both sides of the ratio have been divided by 2. At IGCSE vectors are used in geometry – eg. Last exams 2024. A bearing of 065 means 65° clockwise from the North. 16. The number of permutations of n different items is. Medium. Start by finding the frequency density in terms of - add two columns to the table, one for class width, one for frequency density. The question says “increases exponentially” so use. Notice that 3b and 6 have a common factor of 3. 8 Scatter Graphs & Correlation. Edexcel IGCSE Maths B: Past Papers. When full, a cruise ship carries 880 guests and 360 crew. How do I convert from a decimal to a percentage? Multiply by 100 (move digits two places to the left and add a % sign) 0. IGCSE. Use the table and histogram to find the value of in the formula. 10. 32 as a percentage is 1. 6 Histograms. STEP 3: Mark the corresponding point on the reflected image at the position you have reached. It may be thought of as a mathematical “machine”. Series 3: Paper 2 (Extended) Mark Scheme. Draw a vertical line from the curve down to the horizontal ( x -) axis and take a reading. For the median, the data needs to be in order first. A plane is a flat surface that can be any 2D shape. and . Number the equations. 2 Probability Diagrams - Tree & Venn Diagrams. 5 =. b is the side opposite angle B. Revision notes on 4. Putting -4 in would give 2 × (-4) + 1 = -7. Paper 1-3 Foundation Tier MS. A function is a combination of one or more mathematical operations that takes a set of numbers and changes them into another set of numbers. The (positive) difference in the x coordinates is the 'run'. In mechanics vectors represent velocity, acceleration and forces. Revision notes on Kinematics for the Edexcel IGCSE Maths syllabus, written by the Maths experts at Save My Exams. e. Progress tracking across 45+ topics & 1655+ questions, sorted by difficulty. Statistics & Probability. Get started. Designed by the expert teachers at Save My Exams. ie The term-to-term rule is an+2 = an+1 + an. Mean = 15. Write the prime factors in a Venn diagram if needed. Find the lowest common multiple of 42 and 90. The graph of intersects the -axis at two points. Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners. Past Papers. STEP 2: Draw a North line (arrow pointing vertically up) at the point you wish to measure the bearing from. STEP 2: Place the point of your pencil on the centre of rotation. Revision notes on 1. (a + 3) (b + 2) Method 2. Our worksheets cover all topics from GCSE, IGCSE and A Level courses. Frequency. The examiner-written revision resources that improve your. These notes look at finding the magnitude, or modulus, of a vector. 3 to the left, note the change of sign again) and +2 in the y direction (i. Ensure you are familiar with the Revision Notes Vectors – Basics. Note the following: IGCSE Additional Maths. Exam paper questions organised by topic and difficulty. Method 1: rearrange the formula "before" × p = "after" to make p (the multiplier) the subject. Dan has a keen interest in statistics and probability and their real-life applications. (To find the exact gradient we would need to us e differentiation) As well as teaching maths for over 8 years, Dan has marked a range of exams for Edexcel, tutored students and taught A Level Accounting. 15. It states that for any triangle with angles A, B and C. 2n + 2. 1. Multiply this by the width of the smaller rectangle to see if it applies to the width as well. 5. First teaching 2021. Highest number of goals per game. Give your answer in terms of and in its simplest form. Give them a try and see how you do! Method 1: You can find any percentage of an amount by dividing by 100 and multiplying by the given %. He loves breaking tricky topics down into a way they can be easily understood by students, and creating resources that help to do this. This will give two 6y terms with different signs. Translate key points- endpoints and vertices like the vertex shown below- first, then join the points with straight lines. This number would be twelve million, three hundred and forty five thousand, six hundred and seventy eight. Identify equivalent known lengths. Maths: Extended. STEP 4. The population increases exponentially by 4% every year. . d – the common difference of an arithmetic series. The probability that it lands on blue or red is 0. 3 Conditional Probability. We can factorise using (a + 3) as a factor. The coordinates of the two points are (–1, 0) and (6, 0)The graph of passes through the point with coordinates (2, 0), where is a constant. The question could also be done by making the x terms equal by multiplying all parts of equation (1) by 4 3. Find the population after 13 years, giving your answer to the nearest hundred. For example, measuring a length from A to B as 5. 2 - 0. Give them a try and see how you do! STEP 1 Multiply the number in front by the power. Lucy has created revision content for a variety of domestic and international Exam Boards including Edexcel, AQA, OCR, CIE and IB. This is the same as doing 42 × 3 × 5 or 90 × 7. 4%. Averages & Range. There is a lot of content in your maths IGCSE that you need to get to grips with, which can be a daunting task. Vectors have magnitude and direction. Ignore the place value and find the leading non-zero digit. Browse our range of Edexcel GCSE Maths Past Papers (1MA1) below. Standard form will be written as a × 10n. Mark Scheme. 23 = 9. 99. The amount that each person gets relative to the other is still the same. 20,000 + revision notes • Past papers and mark schemes • 100,000 + practice questions and model answers • And lots more. This looks worse than it is! For powers of x. Paper 4 (Extended) Mark Scheme. p is the multiplier for the depreciation. Select a vertex on the original object, move it according to the information given in the column vector. The probabilities of all the outcomes should add up to 1. m kg. Now complete the table. Logarithms allow use to solve more complicated problems. Make your way through our clear revision notes, Maths past papers, typical exam questions organised by topic, fully-explained model answers and more. (b) David is trying to work out how many slabs he needs to buy in order to lay a garden path. Testing yourself with GCSE maths past papers is a great way to identify which topics need more revision, so you can ensure that you are revising as effectively as possible to help you get ready for your GCSE Maths exam. a) Complete the probability table. How did you do? Stuck? IGCSE ICT. 1 seconds (3 s. 5 1 means 5. p = 1. Give them a try and see how you do! Very Hard. Work out this value on your calculator. Testing yourself with IGCSE Maths past papers is a great way to identify which topics need more revision, so you can ensure that you are revising as effectively as possible to help you get ready for your IGCSE Maths exam. Student friendly model answers written by experienced teachers & examiners. Paper 1-3 Foundation Tier. Make the y terms equal by multiplying all parts of equation (1) by 3 and all parts of equation (2) by 2. The mode (or lack of) is easiest to see from the data listed in order in the median question above. First, draw a north line at the point Q, then carefully measure an angle of 65° clockwise from this line. YesNo. For data values, this will be. Break it down by topic. Revision notes on 2. Course-specific and 100% exam-aligned. For example, for the equation 2 x = 8 we know that x must be 3. STEP 3: Rotate the tracing paper the angle that has been asked for in the question, it will usually be an "easy" angle such as 90 o, 180 o or 270 o. Give them a try and see how you do! As well as teaching maths for over 8 years, Dan has marked a range of exams for Edexcel, tutored students and taught A Level Accounting. 42 = 2 × 3 × 7. p = 0. Use this to find the value of a. 2 Applications of Differentiation for the CIE IGCSE Maths: Extended syllabus, written by the Maths experts at Save My Exams. STEP 2: Continuing from that point on the mirror line, and in the same direction, measure the same distance again. Lots of letters are used in sequences, make sure you are familiar with them. (a) Draw a box plot for the Union Athletic data. Expand the brackets on both sides. Feb 28, 2024 · Only by doing maths will you improve your maths. The (positive) difference in the y coordinates is the 'rise'. 1% depreciation would have a multiplier of p = 1 - 0. For 6 different items there are 6! = 6 × 5 × 4 × 3 × 2 = 720 permutations. a is the side opposite angle A. As the probabilities of blue and red are equal you can halve this to get each probability. The two rectangles are similar, with a scale factor of 2. How did you do? Revision notes on ‘Mixed Numbers & Top Heavy Fractions’ for the Edexcel IGCSE Maths exam. For 5 different items there are 5! = 5 × 4 × 3 × 2 = 120 permutations. Therefore the powers of 5 are 5, 25, 125, etc. Multiply both sides by. 35 km = 35 ÷ 10 = 3. If the scale factor is less than 1 the shape is getting smaller. Using the scale, find the distance in cm along the line you will need to measure. 1 3 marks. How did you do? Did this page help you? Revision notes on ‘Mixed Numbers & Top Heavy Fractions’ for the Edexcel IGCSE Maths exam. 007052 = 7. How did you do? Revision notes on ‘Multiplication (non-Calc)’ for the CIE IGCSE Maths exam. Insert. Easy. Mass. 1 Area & Circumference of Circles for the CIE IGCSE Maths: Extended syllabus, written by the Maths: Extended experts at Save My Exams. STEP 2. 6. Sin 90° = 1 so if one of the angles is 90° this becomes SOH from SOHCAHTOA. 1 Scatter Graphs for the CIE IGCSE Maths: Extended syllabus, written by the Maths: Extended experts at Save My Exams. STEP 4: Join together the reflected points and label the reflected image. 75 m2. 01 = 0. You can swap the sides if it makes solving the equation easier. 1 - 0. GCSE Maths. 3 kg. 004 as a percentage is 0. Browse our range of Edexcel IGCSE Maths Past Papers and Mark Schemes below. Outcome. Give them a try and see how you do! CIE IGCSE Maths: Core Topic Questions. n – the number of terms in the arithmetic Revision notes on ‘Mixed Numbers & Top Heavy Fractions’ for the Edexcel IGCSE Maths exam. Statistics. 004 × 100 = 0. 35 × 100 = 35%. Past paper and exam-style questions, organised by topic. Paper 1. Arc length and area of a sector formula. Find the position of the percentile. 1 - 0. Series 3: Paper 1 (Core) Mark Scheme. We do this after every 3 digits from the right. Substitute P = 25 000, r = 4 and n = 13 into the formula. Calculate the percentage decrease in Bill's weight. 3 ÷ 2 = 0. Class width. We can solve some of these by inspection. Look for the greatest square number that is a factor of the number you are simplifying. Multiply all the prime factors. Revision notes on 3. A permutation can either be finding the number of ways to arrange n items or finding the number of ways to arrange r out of n items. Here, you'll find an array of revision notes, topic questions, fully explained model answers, past exam papers and more, meticulously organized to Bill's weight decreases from 64. Putting 3 in to the function would give 2 × 3 + 1 = 7. Find the position vector of . Write down an expression showing the difference of the squares of two consecutive even numbers. 2 Algebra Basics for the CIE IGCSE Maths: Extended syllabus, written by the Maths: Extended experts at Save My Exams. Browse our range of Cambridge (CIE) IGCSE Maths Past Papers and Mark Schemes below. 0. Topic Questions. 5 × 7. Revision notes on ‘Mixed Numbers & Top Heavy Fractions’ for the Edexcel IGCSE Maths exam. Differentiation turns curve equations into gradient functions. Lower Bound = 22. Find the scale factor. STEP 1 Multiply the number in front by the power. Get started by selecting your qualification level, and dive into everything you'll need to make the grade. Establish direction. Draw a tangent to the curve. Alongside his teaching, he has written five internal textbooks, introduced new spiralling school curriculums and trained other Maths teachers through outreach programmes. LCM = 7 × 2 × 3 × 3 × 5. Daniel has taught maths for over 10 years in a variety of settings, covering GCSE, IGCSE, A-level and IB. In this case, person A receives 3 times as much as person B. 5 cm. Hard. 32 × 100 = 132%. For example, the equation 2 x = 10 does not have a clear answer. Paper 4-6 Higher Tier. An arithmetic series is where terms are added together. Make a mark and then draw a line from Q through this mark. Statistical Diagrams. Where. A is the starting value. 7 Cumulative Frequency & Box Plots. 1. Just select your qualification level Averages & Range. eg. Vectors are given in column vector form. Draw a box around the middle three and then draw whiskers out to the outer two. We could also write this ratio as 12:4, 18:6, 24:8, 30:10 and so on. The more he taught maths, the more he appreciated its beauty. Cumulative Frequency. If this is a fraction then you can simplify it (your calculator will automatically do this) STEP 4. 4 × 23 = 9. n is the number of years. In my experience, breaking this work down into manageable chunks can make it feel much more manageable. View Answer. 97 shows a percentage decrease of 3%. We can use either of the two intervals that feature both in the table and on the histogram to find the value of . 5 3 means 5 × 5 × 5. Revision notes on ‘Multiplication (non-Calc)’ for the CIE IGCSE Maths exam. Notice that ab and 2a have a common factor of a. The parabola shape of a quadratic graph can either look like a “u-shape” or an “n-shape”. Find the two possible values of. Paper 2. 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