Arithmetic operators - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add two numbers and store the result.

C

int a = 5, b = 3;
int sum = a [1] b;
printf("%d", sum);

Drag options to blanks, or click blank then click option'

A-

B/

C*

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-' subtracts instead of adding.

Using '*' multiplies instead of adding.

The + operator adds two numbers together.

2fill in blank

medium

Complete the code to find the remainder when dividing two numbers.

C

int x = 10, y = 3;
int remainder = x [1] y;
printf("%d", remainder);

Drag options to blanks, or click blank then click option'

A%

B*

C/

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using '/' gives the quotient, not the remainder.

Using '*' multiplies instead of dividing.

The % operator gives the remainder after division.

3fill in blank

hard

Fix the error in the code to multiply two numbers correctly.

C

int a = 4, b = 7;
int product = a [1] b;
printf("%d", product);

Drag options to blanks, or click blank then click option'

A+

B*

C-

D/

Attempts:

3 left

💡 Hint

Common Mistakes

Using '+' adds instead of multiplying.

Using '/' divides instead of multiplying.

The * operator multiplies two numbers.

4fill in blank

hard

Fill in the blank to calculate the quotient of two numbers as an integer division.

C

int a = 15, b = 4;
int quotient = a [1] b;
printf("%d", quotient);

Drag options to blanks, or click blank then click option'

A*

B%

C/

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using '%' gives the remainder, not the quotient.

Using '*' multiplies instead of dividing.

The / operator divides two integers and returns the integer quotient.

5fill in blank

hard

Fill both blanks to compute the expression: (a + b) * c.

C

int a = 2, b = 3, c = 4;
int result = (a [1] b) [2] c;
printf("%d", result);

Drag options to blanks, or click blank then click option'

A+

B-

C*

D/

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-' instead of '+' inside parentheses.

Using '/' instead of '*' for multiplication.

First add a and b using +, then multiply the sum by c using *.