Year 9 Interactive Maths - Second Edition

Summary of Problem Solving Units

Problem 1.1   Paths
Problem 1.2   Number of Smaller Cubes
Problem 1.3   The Date
Problem 1.4   How Much?
Problem 1.5   How Long?
Problem 1.6   The Lightening
Problem 1.7   A Bus
Problem 1.8  A Train
Problem 2.1  Concentration of the Solution
Problem 2.2  Number of Solutions
Problem 2.3  Whole Numbers
Problem 2.4  Taxi Charge
Problem 2.5  The Age
Problem 2.6  My Number
Problem 2.7  Sound Together
Problem 2.8  My Number
Problem 2.9  Crossing a Bridge
Problem 3.1  Cube
Problem 3.2  Ratio
Problem 3.3  Space Diagonal
Problem 3.4  Small Square
Problem 3.5  Area
Problem 3.6  The Square
Problem 3.7  What Part?
Problem 4.1  Break Even
Problem 5.1  Race
Problem 5.2  Twice the Sum
Problem 5.3  Area of the Lawn
Problem 5.4  How Long?
Problem 5.5  How Much?
Problem 5.6  Extra Toast
Problem 5.7  Sum and Difference
Problem 6.1  Small Cubes
Problem 6.2  Ones Digit
Problem 6.3  Square Root of the Cube
Problem 6.4  Two Farms
Problem 6.5  The Smallest and the Longest
Problem 6.6  A Race
Problem 7.1  How Far?
Problem 7.2  A Car
Problem 7.3  A Long Chain
Problem 7.4  Brine Solution
Problem 7.5  A Record
Problem 7.6  A Car Tyre
Problem 10.1  Mixture
Problem 10.2  Track
Problem 10.3  Mown Strip
Problem 10.4  Triangles and Squares
Problem 12.1  Percentage Increase
Problem 12.2  An Estate
Problem 12.3  Number of Votes
Problem 12.4  A Clothing Store
Problem 12.5  To Earn Enough
Problem 12.6  Two Players
Problem 12.7  Salesman
Problem 13.1  Which way?
Problem 14.1  Longest Line
Problem 14.2  How Long?
Problem 14.3  Area of the Screen
Problem 14.4  How Many?
Problem 15.1  Coins
Problem 15.2  Inscribed Triangle
Problem 16.1  Number of Messages
Problem 17.1  The Average
Problem 17.2  How Far?