Operations with Integers on Number Lines

​Order of Operations with Number Lines

By ZOCHIL JAIME

Adding Integers on a Number Line
Always START at ZERO

Positives
To the RIGHT

Negatives
To the LEFT

Draw

Start at –3. Move +5. Where do you land?

Draw

Start at 4. Move –7. Where do you land?

Draw

Start at –6. Move –2. Where do you land?

Multiple Choice

Which model represents 6 + -4 =

Multiple Choice

Which model represents -3 + -4 =

Multiple Choice

• 4 + 7 - 6 = 1

• 4 + 3 - 6 = 1

• 4 + 3 - 7 = 1

• -4 - 3 + 6 = 1

Multiplying Integers on a Number Line

Multiplication is repeated addition

• 3 × 4 = 3 groups of 4 = 3 jumps of 4

• Starting from zero, we take 3 jumps such that each jump has four steps.
  

+4 +4 +4

Draw

Model 2(4) =

Two groups of 4

Draw

Model 5 (-2) =

Five groups of -2

Multiple Choice

Choose the math expression that is represented on the number line

Multiple Choice

Choose the math expression that is represented on the number line.

Combining both
The dot is your starting point
The arrow is your direction and ending point

Fill in the Blanks

Write the equation for the following number line

Check out your starting point

Fill in the Blanks

Write the equation for the following number line

Check out your starting point

Multiple Choice

Write the equation for the following number line

Check out your starting point

• 0 + 2 (5)

• -10 + 5 (-2)

• -10 + 2 (5)

• 10 + 2 (5)