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Page 1 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 36/70 Module 3 Suggested Duration of Module 4 Hours Objectives Module 3 will cover: Exploring numeracy in Scratch Problem Solving Drawing in Scratch Discussion Time Page 2 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 36/70 Module 3 Suggested Duration of Module 4 Hours Objectives Module 3 will cover: Exploring numeracy in Scratch Problem Solving Drawing in Scratch Discussion Time 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 37/70 Exploring Numeracy in Scratch In this section, we will cover more features in Scratch that can be used to create Scratch numeracy related projects. These include variables and operators, timers and maths functions. Variables and the Operators Variables can be used in conjunction with the Operator’s Palette for specific maths tasks. The Operator’s palette in Scratch is very useful and we can immediately see applications for Mathematics tasks. The various blocks will instruct the programme to carry out addition, subtraction, multiplication, division and rounding. Participant Activity – Find the Product of two numbers 1. Create two variables where we will store numbers inputted by the user. Here we have named them “Number 1” and “Number 2”. 2. Use the Sensing Palette to ask the user to type a number. The blue question and blue answer enables people to add user interaction to their projects. 3. These numbers will be saved as variables. 4. The green Operator’s Palette will allow us to multiply the two numbers together. Page 3 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 36/70 Module 3 Suggested Duration of Module 4 Hours Objectives Module 3 will cover: Exploring numeracy in Scratch Problem Solving Drawing in Scratch Discussion Time 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 37/70 Exploring Numeracy in Scratch In this section, we will cover more features in Scratch that can be used to create Scratch numeracy related projects. These include variables and operators, timers and maths functions. Variables and the Operators Variables can be used in conjunction with the Operator’s Palette for specific maths tasks. The Operator’s palette in Scratch is very useful and we can immediately see applications for Mathematics tasks. The various blocks will instruct the programme to carry out addition, subtraction, multiplication, division and rounding. Participant Activity – Find the Product of two numbers 1. Create two variables where we will store numbers inputted by the user. Here we have named them “Number 1” and “Number 2”. 2. Use the Sensing Palette to ask the user to type a number. The blue question and blue answer enables people to add user interaction to their projects. 3. These numbers will be saved as variables. 4. The green Operator’s Palette will allow us to multiply the two numbers together. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 38/70 Alternatively you could make this into a quiz by changing it slightly. 5. Alter the above code to make addition, subtraction and division tasks. 6. Modify the code to allow the user to choose what type of operation is performed. 7. Take note of the nested join statements and experiment with them. 8. Save your work. Participant Activity – Find the Area of a Shape This lesson uses Scratch to calculate the area of a square or rectangle. 1. Create 2 variables, one called Length, the other Width. 2. Allow the user to enter the values for length and width. You will use the blue “ask” and “answer” block from the sensing palette. 3. Use the Operator’s palette to find the area. Page 4 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 36/70 Module 3 Suggested Duration of Module 4 Hours Objectives Module 3 will cover: Exploring numeracy in Scratch Problem Solving Drawing in Scratch Discussion Time 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 37/70 Exploring Numeracy in Scratch In this section, we will cover more features in Scratch that can be used to create Scratch numeracy related projects. These include variables and operators, timers and maths functions. Variables and the Operators Variables can be used in conjunction with the Operator’s Palette for specific maths tasks. The Operator’s palette in Scratch is very useful and we can immediately see applications for Mathematics tasks. The various blocks will instruct the programme to carry out addition, subtraction, multiplication, division and rounding. Participant Activity – Find the Product of two numbers 1. Create two variables where we will store numbers inputted by the user. Here we have named them “Number 1” and “Number 2”. 2. Use the Sensing Palette to ask the user to type a number. The blue question and blue answer enables people to add user interaction to their projects. 3. These numbers will be saved as variables. 4. The green Operator’s Palette will allow us to multiply the two numbers together. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 38/70 Alternatively you could make this into a quiz by changing it slightly. 5. Alter the above code to make addition, subtraction and division tasks. 6. Modify the code to allow the user to choose what type of operation is performed. 7. Take note of the nested join statements and experiment with them. 8. Save your work. Participant Activity – Find the Area of a Shape This lesson uses Scratch to calculate the area of a square or rectangle. 1. Create 2 variables, one called Length, the other Width. 2. Allow the user to enter the values for length and width. You will use the blue “ask” and “answer” block from the sensing palette. 3. Use the Operator’s palette to find the area. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 39/70 4. Output the answer onto the screen. Participant Activity – Rounding Numbers 1. Click on stage and then click on backdrops. 2. Choose a backdrop from the library. 3. Select a sprite. You may delete the cat if you use another sprite. This sprite will ask the user to input a decimal and will give the rounded answer. 4. The script will use a variable and operators. We will call the variable “RoundedAnswer” as this is what we are looking for. The first block, “set RoundedAnswer to 0” will ensure that, each time we run the script, the initial value will be 0. 5. The sprite must ask the user to input a decimal. Page 5 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 36/70 Module 3 Suggested Duration of Module 4 Hours Objectives Module 3 will cover: Exploring numeracy in Scratch Problem Solving Drawing in Scratch Discussion Time 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 37/70 Exploring Numeracy in Scratch In this section, we will cover more features in Scratch that can be used to create Scratch numeracy related projects. These include variables and operators, timers and maths functions. Variables and the Operators Variables can be used in conjunction with the Operator’s Palette for specific maths tasks. The Operator’s palette in Scratch is very useful and we can immediately see applications for Mathematics tasks. The various blocks will instruct the programme to carry out addition, subtraction, multiplication, division and rounding. Participant Activity – Find the Product of two numbers 1. Create two variables where we will store numbers inputted by the user. Here we have named them “Number 1” and “Number 2”. 2. Use the Sensing Palette to ask the user to type a number. The blue question and blue answer enables people to add user interaction to their projects. 3. These numbers will be saved as variables. 4. The green Operator’s Palette will allow us to multiply the two numbers together. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 38/70 Alternatively you could make this into a quiz by changing it slightly. 5. Alter the above code to make addition, subtraction and division tasks. 6. Modify the code to allow the user to choose what type of operation is performed. 7. Take note of the nested join statements and experiment with them. 8. Save your work. Participant Activity – Find the Area of a Shape This lesson uses Scratch to calculate the area of a square or rectangle. 1. Create 2 variables, one called Length, the other Width. 2. Allow the user to enter the values for length and width. You will use the blue “ask” and “answer” block from the sensing palette. 3. Use the Operator’s palette to find the area. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 39/70 4. Output the answer onto the screen. Participant Activity – Rounding Numbers 1. Click on stage and then click on backdrops. 2. Choose a backdrop from the library. 3. Select a sprite. You may delete the cat if you use another sprite. This sprite will ask the user to input a decimal and will give the rounded answer. 4. The script will use a variable and operators. We will call the variable “RoundedAnswer” as this is what we are looking for. The first block, “set RoundedAnswer to 0” will ensure that, each time we run the script, the initial value will be 0. 5. The sprite must ask the user to input a decimal. 22/05/2019 Scratch Participant Manual 2019 - Google Docs https://docs.google.com/document/d/1dOeBlsrqYl-0H5m5oj3NZLYyW5xfDEKOFZXrz2685hM/edit 40/70 6. The blue block asks a question of the user and the response is saved in the blue “answer” block. This answer can then be used in various calculations. In this case we will round it to the nearest whole number and output the solution as the variable “RoundedAnswer”. 7. We must now display the solution on the stage.Read More
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