Integer Operations and Their Properties

Mr. Woolley teaches students how to efficiently add integers and rational numbers using number lines. The lesson covers adding positive and negative numbers, as well as numbers with opposite signs. Students learn to use absolute values and number lines to determine the sum. Practical examples and problem-solving exercises are provided to reinforce the concepts. The lesson concludes with advanced scenarios and a game to apply the learned skills.

What is the result of adding two positive integers?

• An undefined value

• A positive integer

• Zero

• A negative integer

When adding two negative integers, what is the result?

• A positive integer

• A smaller negative integer

• Zero

• An undefined value

How do you determine the sign of the sum when adding integers with opposite signs?

• By adding the absolute values

• By subtracting the smaller absolute value from the larger one

• By multiplying the integers

• By dividing the integers

What is the sum of 5 and -3?

• -8

• 8

• -2

• 2

If you have more positive numbers than negative numbers, what will be the sign of the sum?

• Negative

• Positive

• Zero

• Undefined

What is the result of adding -10 and 7?

• -3

• 17

• 3

• -17

In a scenario where the temperature drops by 19 degrees from 73 degrees, what is the new temperature?

• 92 degrees

• 54 degrees

• 73 degrees

• 19 degrees

If Jennifer's hand in the integer game is -3, what could she draw to keep her score unchanged?

• A 0 and a 0

• A 2 and a -2

• A 3 and a -1

• A 1 and a -1

What does Katie need to draw to change her score from -2 to 0 in the integer game?

• A 2

• A -2

• A 1

• A 0

If Jared gains $19 and spends $12, what is his net gain?

• $-7

• $31

• $12

• $7