Adding Integers and Rational Numbers

This video tutorial covers the rules for adding integers and rational numbers, focusing on different scenarios such as adding positive numbers, negative numbers, and numbers with different signs. It explains the use of number lines and absolute values to understand the addition process. The video includes practice exercises to reinforce learning and encourages students to bring questions to class for further clarification.

What is the essential question for this lesson on adding integers?

• What are the rules for adding integers?

• What are the rules for subtracting integers?

• How do you multiply integers?

• How do you divide integers?

When adding two positive numbers, what is the result?

• A smaller positive number

• A negative number

• A greater positive number

• Zero

What is the absolute value of a number?

• The sum of the number and zero

• The negative of the number

• The distance from zero

• The number itself

When adding two negative numbers, what is the result?

• Zero

• A smaller negative number

• A positive number

• A greater negative number

What happens when you add numbers with different signs?

• You multiply their absolute values

• You add their absolute values and keep the sign of the smaller number

• You divide their absolute values

• You subtract their absolute values and keep the sign of the greater absolute value

If you add 5 and -3, what is the result?

• 0

• -2

• 2

• 8

What is the rule for adding rational numbers with the same sign?

• Divide their absolute values

• Multiply their absolute values

• Add their absolute values and keep the same sign

• Subtract their absolute values and keep the opposite sign

In the exercise, what is the sum of 15 and 7?

• 22

• 0

• 12

• 8

What should you do if you don't understand a problem in the exercises?

• Use a calculator

• Guess the answer

• Circle it and ask in class

• Ignore it

What is the result of adding -8 and 7?

• 15

• -15

• -1

• 1