Adding Integers with Number Lines

The video tutorial explains how to add positive and negative integers using number lines and provides rules for adding integers without number lines. It covers examples of adding integers with the same sign, different signs, and opposite integers, as well as adding multiple integers. The tutorial concludes with practice examples and emphasizes the simplicity of using rules over number lines.

What is the result of adding +5 and +2 using a number line?

• +5

• +3

• +7

• +9

When adding -2 and -4 on a number line, where do you end up?

• -6

• -8

• -4

• -2

If you add +8 and -7 using a number line, what is the result?

• -2

• -1

• +2

• +1

What is the sum of -3 and +3, and what does this illustrate?

• +6, Sum of values

• -3, Negative dominates

• +3, Positive dominates

• 0, Opposite integers cancel out

How do you handle an expression with more than two terms?

• Multiply first, then add

• Subtract first, then add

• Add from left to right

• Add from right to left

What is the rule for adding integers with the same sign?

• Add and change the sign

• Subtract and change the sign

• Add and keep the sign

• Subtract and keep the sign

When adding integers with different signs, what should you do?

• Subtract and keep the sign of the larger integer

• Subtract and change the sign

• Add and keep the sign of the smaller integer

• Add and change the sign