Mastering Integer Addition and Subtraction

This video tutorial covers the basics of adding and subtracting integers, focusing on the concept of additive inverse and the equivalence of negative and minus signs. It provides practical examples to illustrate how to combine integers and offers strategies for solving problems without a calculator.

What is the additive inverse of 7?

• 7

• 14

• 0

• -7

If you add a positive number and its additive inverse, what is the result?

• A negative number

• The positive number

• Zero

• The additive inverse

What happens when you add a negative number to a positive number?

• The result depends on the magnitude of the numbers

• The result is always negative

• The result is always positive

• The result is zero

How do you handle two signs next to each other, such as in 2 + (-3)?

• Add the numbers

• Subtract the numbers

• Multiply the numbers

• Divide the numbers

What is the result of 2 - (-3)?

• -5

• 1

• 5

• -1

What is the first step in solving integer problems without a calculator?

• Cross out all positive signs and double negatives

• Add all numbers

• Circle all numbers

• Subtract all numbers

When circling numbers, what should you include with the number?

• Any positive sign in front of it

• Any negative sign in front of it

• The previous number

• The next number

What is the result of combining 12 positives and 5 negatives?

• 17

• 7

• -17

• -7

What is the result of 9 - 17?

• -26

• 8

• -8

• 26

What is the result of 9 - (-8)?

• -17

• 17

• -1

• 1