Pascal case names for subroutines

Name:

Date:

Class:

Quick Questions

Shade in the A or B circle for each question.

1. Which is a correct Cambridge pseudocode name for a subroutine?

A sum_square

B SumSquare

2. Which procedure name follows the Pascal case rule?

A DefaultLine

B Default Line

3. Which function name is written correctly?

A CalculateTotal

B calculatetotal

4. Which name is NOT allowed because of how it starts?

A DoubleIt2 is not allowed

B 2DoubleIt is not allowed

5. Which character is allowed in a Pascal case subroutine name?

A A digit such as 2 (after the first letter)

B An underscore _

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left column		Right column
1PROCEDURE DefaultLine()		AA valid Pascal case procedure name: capital letter at the start of each word, with letters only
2FUNCTION SumSquare(Num : INTEGER) RETURNS INTEGER		BPROCEDURE ShowScore2()
3A descriptive Pascal case name tells the reader what the subroutine does		CThe name starts with a digit. A subroutine name must start with a capital letter, for example SumSquare.
4A name may contain digits, but it must start with a capital letter and not a digit		DA valid Pascal case function name made of two capitalised words joined together
5PROCEDURE default_line()		EThe name uses an underscore and starts with a lowercase letter. Pascal case needs DefaultLine with no underscore.
6FUNCTION 2DSum(A : INTEGER) RETURNS INTEGER		FFUNCTION CalculateTotal(Price : REAL) RETURNS REAL

Definitions

CalculateTotal

Fill in the Blanks

Complete each line of code by filling in the missing parts.

PROCEDURE ___________() OUTPUT "----------" ENDPROCEDURE

FUNCTION _________() RETURNS INTEGER RETURN 3 * 3 + 4 * 4 ENDFUNCTION

FUNCTION ______________() RETURNS INTEGER RETURN 10 + 20 ENDFUNCTION

PROCEDURE _alculateTotal() OUTPUT 10 + 20 ENDPROCEDURE

FUNCTION Sum_quare() RETURNS INTEGER RETURN 3 * 3 + 4 * 4 ENDFUNCTION

Spot the Error

Shade in the letter of the line that contains an error.

Question 1

A PROCEDURE DefaultLine()

B OUTPUT "----------"

C ENDPROCEDURE

D CALL Default_Line()

Question 2

A Price ← 10

B PROCEDURE calculateTotal()

C OUTPUT Price * 3

D ENDPROCEDURE

Question 3

A // Show the score

B PROCEDURE Show Score(S : REAL)

C OUTPUT S

D ENDPROCEDURE

Question 4

A FUNCTION GetTax() RETURNS REAL

B RETURN 0.2

C ENDFUNCTION

D OUTPUT getTax()

Question 5

A PROCEDURE 2PrintLine()

B OUTPUT "=========="

C ENDPROCEDURE

D CALL PrintLine2()

Answer Key

Pascal case names for subroutines

Section A: Quick Questions

B — SumSquare

A — DefaultLine

A — CalculateTotal

B — 2DoubleIt is not allowed

A — A digit such as 2 (after the first letter)

Section B: Match the Pairs

PROCEDURE DefaultLine() → A valid Pascal case procedure name: capital letter at the start of each word, with letters only

FUNCTION SumSquare(Num : INTEGER) RETURNS INTEGER → A valid Pascal case function name made of two capitalised words joined together

A descriptive Pascal case name tells the reader what the subroutine does → FUNCTION CalculateTotal(Price : REAL) RETURNS REAL

A name may contain digits, but it must start with a capital letter and not a digit → PROCEDURE ShowScore2()

PROCEDURE default_line() → The name uses an underscore and starts with a lowercase letter. Pascal case needs DefaultLine with no underscore.

FUNCTION 2DSum(A : INTEGER) RETURNS INTEGER → The name starts with a digit. A subroutine name must start with a capital letter, for example SumSquare.

Section C: Definitions

CalculateTotal — A Pascal case subroutine name: it starts with a capital letter, each word is capitalised, and it uses only letters and digits, with no spaces, no underscores and no starting digit.

Section D: Fill in the Blanks

PROCEDURE DefaultLine()
  OUTPUT "----------"
ENDPROCEDURE

FUNCTION SumSquare() RETURNS INTEGER
  RETURN 3 * 3 + 4 * 4
ENDFUNCTION

FUNCTION CalculateTotal() RETURNS INTEGER
  RETURN 10 + 20
ENDFUNCTION

PROCEDURE CalculateTotal()
  OUTPUT 10 + 20
ENDPROCEDURE

FUNCTION SumSquare() RETURNS INTEGER
  RETURN 3 * 3 + 4 * 4
ENDFUNCTION

Section E: Spot the Error

D — The call uses an underscore, but Pascal case names contain only letters and digits. The name should be written as DefaultLine, so the call is CALL DefaultLine().

B — A Pascal case name must start with a capital letter. calculateTotal starts with a lowercase c. It should be CalculateTotal.

B — A subroutine name cannot contain spaces. The words must be joined, with each word starting with a capital letter: ShowScore.

D — The call starts with a lowercase g, which is camelCase and not Pascal case. The function is named GetTax, so it must be called as GetTax().

A — A subroutine name cannot start with a digit. Digits are allowed inside the name, but the first character must be a capital letter, as in PrintLine2.