Coding Skill Builder: Inference

Inference Skill Builder

Adult Education Coding Inference Skill Builder Easy 20 Questions 8 Views

Classroom Worksheet

Coding Skill Builder: Inference

Inference Skill Builder

Name____________________________

Date________________

Score______ / 20

Grade: Adult Education

Subject: Coding

Topic: Inference

Time: 20 Minutes

Difficulty: Easy

Questions: 20

Instructions:
Read each code example or situation carefully and use inference to figure out what is happening. Answer each question in a short phrase or sentence. Questions get a little harder as you move through the worksheet.

Skills Practiced:

Inference
Coding
Critical Thinking
Problem Solving

1Question

If a variable is named userAge and its value is 18, what can you infer the variable probably stores?

2Question

A function is named calculateTotal. What can you infer this function is likely used for?

3Question

If a file is named index.html, what can you infer about the file type?

4Question

A comment says 'Get user input from the form.' What can you infer the code around it is doing?

5Question

If a loop runs 5 times, what can you infer about how many times the code inside it runs?

6Question

A variable is called isLoggedIn and its value is true. What can you infer about the user?

7Question

If code uses console.log('Start'), what can you infer the programmer wants?

8Question

A function has the name sendEmail(). What can you infer it likely does?

9Question

If a page has a button labeled Submit, what can you infer will happen when it is clicked?

10Question

A program checks if score >= 50 before showing 'Pass'. What can you infer about the number 50?

11Question

If an array is named colors and contains ['red', 'blue', 'green'], what can you infer is stored in it?

12Question

A line of code says if (items.length === 0). What can you infer this checks?

13Question

A variable is called maxSpeed and its value is 120. What can you infer this value represents?

14Question

A function named formatDate() receives a date value. What can you infer the function does with that value?

15Question

If code uses a for loop to go through each item in a shopping list, what can you infer the programmer wants to do?

16Question

A message says 'Error: file not found.' What can you infer happened?

17Question

If a variable named isComplete is false, what can you infer about the task?

18Question

A program uses an if statement to show different messages for adults and children. What can you infer the program is based on?

19Question

A line of code says return total; at the end of a function. What can you infer about the function?

20Question

If a programmer writes a function named validatePassword(), what can you infer the function is checking?

Answer Key

#	Answer
1	It probably stores a person’s age in years.
2	It is likely used to add numbers and find a total.
3	It is probably an HTML file for a web page.
4	It is probably reading information typed by a user.
5	The code inside the loop runs 5 times.
6	The user is probably signed in.
7	They want to display a message for testing or tracking.
8	It likely sends an email message.
9	It will probably send or save the form data.
10	50 is probably the passing score.
11	It stores color names.
12	It checks whether the list is empty.
13	It probably represents the highest speed allowed or set.
14	It likely changes the date into a clearer format.
15	They want to process every item one by one.
16	The program could not locate the file it needed.
17	The task has probably not been finished.
18	It is based on the user’s age.
19	It gives the final total back to the program.
20	It is checking whether a password meets the required rules.