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C++•C++ How To

C++ How To Add Two Numbers

Flash cards

Review the key moves

1/4
Core idea

What is the main idea behind C++ How To Add Two Numbers?

Lesson checks

Practice each idea before moving on

Short Mimo-style checks built from this lesson's code, terms, and sequence.

1Quick choice

Which statement best captures the main point of this lesson?

2Fill blank

Complete the missing token from the example code.

___ sum = x + y;

Add Two Numbers

Learn how to add two numbers in C++:

Example

int x = 5;
int y = 6;
int sum = x + y;
cout << sum;

Add Two Numbers with User Input

In this example, the user must input two numbers. Then we print the sum by calculating (adding) the two numbers:

Example

int x, y;
int sum;
cout << "Type a number: ";
cin >> x;
cout << "Type another number: ";
cin >> y;
sum = x + y;
cout << "Sum is: " << sum;

Next

C++ How To Generate Random Numbers