# Step 4

Difficulty 4

 1 Matt's Manic Maths Monitoring - Graphs: Interpret how variables relate 2 Matt's Manic Maths Monitoring - Graphs: Interpret how variables relate 3 Matt's Manic Maths Monitoring - Graphs: Interpret how variables relate 4 Matt's Manic Maths Monitoring - Graphs: Interpret how variables relate 5 Highway Cross Over - Travel graph: Calculate time interval before stop 6 Mail it with Mike - Travel graph: Calculate average speed, not including stops 7 Mail it with Mike - Travel graph: Calculate average speed, including stops 8 Mail it with Mike - Travel graph: Calculate average speed, including stops 9 Mail it with Mike - Travel graph: Calculate average speed 10 Mail it with Mike - Travel graph: Identify parts of trip with same average speed 11 Mail it with Mike - Travel graph: Identify slowest part of trip 12 Mary's Mini - Travel graph: Calculate average speed 13 Mary's Mini - Travel graph: Calculate average speed 14 Mary's Mini - Travel graph: Calculate average speed 15 Mary's Mini - Travel graph: Difference in average speeds 16 Timothy's Trough - Graphs: Non-uniform rate of change 17 Mr Hall's Rugby Tour - Graphs: Distance v. time, calculate average speed 18 Mr Hall's Training Hour - Graphs: Distance v. time, relationship slope v. speed 19 Mr Hall's Training Hour - Graphs: Distance v. time, calculate average speed 20 Mr Hall's Rugby Tour - Graphs: Distance v. time, calculate average speed 21 Mr Hall's Rugby Tour - Graphs: Distance v. time, calculate average speed 22 Fishing Lines - Graphs: Identify co-ordinates of x-intercept 23 Fishing Lines - Graphs: Identify common y-intercept of 2 lines 24 Mr Brown - Interpret graph: When is maximum speed? 25 Mr Brown - Interpret graph: Estimate acceleration at 1.7 sec 26 Mr Brown - Interpret graph: Estimate acceleration at 1.7 sec 27 Lines Lions Lines - Graphs:Identify line equation given slope and point co-ords 28 Mr Brown - Interpret graph: Estimate acceleration at 1.5 sec 29 Mr Brown - Interpret graph: Estimate when acceleration was 8m/s/s 30 Mr Brown - Interpret graph: Estimate when acceleration was 6.5 m/s/s 31 Mr Brown - Interpret graph: Estimate acceleration at 2.5 secs 32 Mr Brown - Interpret graph: When was acceleration 4 m/s/s? 33 Middle of the Line - Find midpoint co-ordinates 34 Middle of the Line - Find midpoint co-ordinates 35 Mr Brown - Interpret graph: Time of zero acceleration? 36 Mr Brown - Interpret graph: Maximum acceleration? 37 Intersect Pass - Graphs: Calculate point of intersection 38 Intersect Pass - Graphs: Calculate point of intersection 39 Intersect Pass - Graphs: Calculate point of intersection 40 Funky Frank - Travel Graph: How much did the trip cost? 41 Funky Frank - Travel Graph: Total distance travelled? 42 Funky Frank - Travel Graph: How far from his home to his destination? 43 Funky Frank - Travel Graph: How long was his car stationary in the morning? 44 Axis Power - quadratic functions, place curve on grid, identify axis of symmetry 45 Axis Power - quadratic functions, place curve on grid, identify axis of symmetry 46 Line-Out Intercepts - calculate intercepts, place curve on grid 47 Axis Power - quadratic functions, place curve on grid, identify axis of symmetry 48 Line-Out Intercepts - calculate intercepts, place curve on grid 49 Fiona's Lines - link graph to correct quadratic function 50 Fiona's Lines - link graph to correct quadratic function 51 Fiona's Lines - link graph to correct quadratic function 52 Fiona's Lines - link graph to correct quadratic function 53 Timothy's Trough - graphing non-uniform rates of change 54 Mr Hall's Rugby Tour - graphing distance v. time, calculate average speed 55 Mr Hall's Training Hour - graphing distance v. time, calculate distance travelled 56 The Plot Thickens - plot intercept points, identify curve 57 The Plot Thickens - plot intercept points, identify curve 58 The Plot Thickens - plot intercept points, identify curve 59 The Plot Thickens - plot intercept points, identify curve 60 The Plot Thickens - plot intercept points, identify curve 61 Uncle Karl's Mass Math - select appropriate graph 62 Pirate Pete's Problem - Drag algebraic expressions into the correct order to solve a problem 63 Pirate Pete's Problem - Derive and solve a simple linear expression 64 Terry's Trapezium Trap - Select correct algebraic expression 65 Down on Don's Farm - Develop then calculate an algebraic expression 66 Down on Don's Farm - Develop then calculate an algebraic expression 67 Captain Jones's Challenge - Develop then calculate an algebraic expression 68 Captain Jones's Challenge - Develop then calculate an algebraic expression 69 Captain Jones's Challenge - Develop then calculate an algebraic expression 70 Schoolyard Stats: Formulate an algebraic expression 71 Al's Number Repairs - Remove common factors from an algebraic expression. 72 Al's Number Repairs - Factorise an algebraic expression. 73 Al's Number Repairs - Expand an algebraic expression. 74 Pirate Pete's Problem - Solve simultaneous eqns by addition 75 Pirate Pete's Problem - Solve simultaneous eqns by subtraction 76 Rob's Shed - Derive an algebraic expression 77 Rob's Shed - Derive an algebraic expression 78 Rob's Shed - Derive an algebraic expression 79 Rob's Shed - Derive an algebraic expression 80 Captain Jones's Reverse Navigation - Select all algebraic expressions describing a relationship 81 Captain Jones's Reverse Navigation - Select all algebraic expressions describing a relationship 82 Captain Jones's Challenge 1 - Select all algebraic expressions describing a relationship 83 Frogmaths with Leela - Solve simultaneous eqns by substitution 84 Frogmaths with Leela - Solve simultaneous eqns by substitution 85 Frogmaths with Leela - Solve simultaneous eqns by substitution 86 Frogmaths with Leela - Solve simultaneous eqns by substitution 87 Terry's Trapezium Trap - Select correct algebraic expression 88 Natural Numbers - sum of 1st 13 Fibonacci numbers 89 Natural Numbers - sum of 1st 16 Fibonacci numbers 90 Joe's Jailhouse Locks - continue pattern