UPSKILL MATH PLUS

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6. Addition of integers on a number line

We can add two integers using a number line.

1. Add

$4$ and

$3$ using a number line.

Step 1: Draw a number line with positive and negative numbers.

Step 2: Move

$4$ units from the right side of

$0$ .

Step 3: Now, move

$3$ units from the right side of

$4$ .

Step 4: The number reached is

$4 + 3 = 7$ .

2. Add

$(-5)$ and

$4$ using a number line.

Step 1: Draw a number line with positive and negative numbers.

Step 2: Move

$5$ units from the left side of

$0$ .

Step 3: Now, move

$4$ units from the right side of

$-5$ .

Step 4: The number reached is

$(-5) + 4 = -1$ .

3. Add

$(-5)$ and

$(-5)$ using a number line.

Step 1: Draw a number line with positive and negative numbers.

Step 2: Move

$(-5)$ units from the left side of

$0$ .

Step 3: Now, move

$(-5)$ units from the left side of

$(-5)$ .

Step 4: The number reached is

$(-5) + (-5) = -10$ .

Did you find an error?