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Enhance algebraic, geometric, trigonometric, and statistical skills with practice questions and real-world applications. Topics include linear equations, angles, sides, data representation, and problem-solving strategies.
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National 4 Relationships Unit Practice Assessment Split into Topic Areas 1.1 Applying Algebraic Skills to Linear Equations Q1 Complete the table below for the equation y = 3 – x Hence draw the graph of equation y = 3 – x
Q2 Change the subject of the following formula to a: a² + b² = c² Q3 Solve the equation: 4a + 7 = 3 Q4 What is the equation of the line in this diagram?
1.2 Applying Geometric Skills to Sides and Angles of Shapes Q1
Q3 Calculate the size of angle x in this diagram: Q4 The base length of this triangle is 12cm and the height is 8cm. Calculate the perimeter of the triangle: x° 106° 42° 8cm 12cm
1.3 Applying Trigonometric Skills to Right-Angled Triangles Q1 Calculate the size of angle x in this right angled triangle. Round your answer to the nearest degree: Q2 Calculate the length of side y in this right angled triangle: 12cm x° 25cm y 54° 3m
1.4 Applying Statistical Skills to Representing Data Q1 A class were asked their shoe size and weight. This is shown in the table: a.) Draw a scattergraph of these results. b.) Draw a line of best fit on your scattergraph. c.) Alex has a shoe size of 4, use your line of best fit to estimate her weight. d.) Ryan says that if you have a weight above 50kg you will have a shoe size above 5. Is he right in saying this? Give a reason for your answer.
10cm 5cm x 2.1 Interpreting a Situation where Mathematics can be used and Identifying a Valid Strategy Q1 What is the length of a line joining points (1, 3) and (5, 6)? Q2 What is the size of angle x in this semi-circle?
2.2 Explaining a Solution and Relating it to Context Q1 A surveyor knows that for a telephone pole to be legal is not to be more than 25m tall. He looks at the following telephone pole, it is legal or not?
Next Steps • 1.1 Applying Algebraic Skills to Linear Equations • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_General_Straight_Line_TJ_Chapter6.pps • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_General_Straight_Line_Practice.xls (Just questions 1 and 2) • http://www.mathsisfun.com/equation_of_line.html • http://www.algebrahelp.com/worksheets/view/simplifying/substitution.quiz • http://www.interactivestuff.org/sums4fun/substitute.html • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_General_Formulae_TJ_Chapter14.pps • http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/formulaehirev1.shtml • 1.2 Applying Geometric Skills to Sides and Angles of Shapes • http://www.youtube.com/watch?v=cYhio7TBOFM(don’t worry about the centre of enlargement) • http://www.youtube.com/watch?v=Tr7QazlNEcI • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_General_Angles_In_Circles_TJ_Chapter12.pps (ignore SOH CAH TOA)
1.3 Applying Trigonometric Skills to Right-Angled Triangles • http://www.mathsisfun.com/algebra/trigonometry.html • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_3_General_SOHCAHTOA_Practice.xls • http://www.mathsrevision.com/index_files/Maths/Presentations/S4_Presentations/S4_General_Past_Papers_SOHCAHTOA.xls • 1.4 Applying Statistical Skills to Representing Data • http://www.education.gov.uk/schools/careers/traininganddevelopment/professional/b00211213/numeracy/areas/scatter-graphs • http://www.youtube.com/watch?v=soi-1wXQLoM • 2.1 Interpreting a Situation where Mathematics can be used and Identifying a Valid • Strategy • http://www.mathsisfun.com/pythagoras.html • http://www.purplemath.com/modules/distform.htm • http://www.mathsrevision.com/index_files/Maths/Presentations/S3_Presentations/S3_3_Angles_Circles_Revision_MIA.xls (questions 5 - 13) • 2.2 Explaining a Solution and Relating it to Context • http://www.onlinemathlearning.com/trigonometry-problems.html