C3.2 Read and alter existing code, including code that involves sequential events, and describe how changes to the code affect the outcomes.
Activity 1: Sequential Events and Measurable Attribute
Ask students to look at the picture below and read the code that follows:
Ask students the following question: Which of the blocks below should be used to display the attribute being measured?
Source: Scratch Jr.
Have students modify the code to include all measurable attributes.
Activity 2: Sequential Events and Time: Days of the Week, Months of the Year, and Seasons
Ask students to read the following code:
Source: Scratch Jr.
The code should name the days of the week. Ask students the following questions:
- What do you notice?
- Do you see a mistake?
- How do you know?
Ask students to change the code to correct the error.
Have students create a code to name the months of the year.
Ask students to create a code to name the seasons and months of the year in the correct pattern.