Integer Operations and Simplifications

The video tutorial introduces integers, explaining that they include all whole numbers, zero, and negative numbers, but not decimals or fractions. It demonstrates how to add and subtract integers using a number line, emphasizing the importance of starting from zero. The tutorial also covers simplification of operations involving positive and negative signs, multiplication and division rules for integers, and solving combined operations using the BODMAS order.

Which of the following is NOT an integer?

• 7

• 0

• -3

• 4.5

On a number line, which direction represents positive integers?

• Down

• Left

• Up

• Right

What is the result of 5 - 7 on a number line?

• -5

• 2

• 0

• -2

If you start at zero and move 7 steps left and 5 steps right, where do you end up?

• 2

• -2

• -5

• 0

What is the result of 5 - (+4)?

• 9

• -1

• -9

• 1

What is the result of -5 + 9?

• -4

• -14

• 4

• 14

What is the simplified form of -3 + -4?

• 7

• -7

• -1

• 1

How do you simplify the expression 8 + (-4)?

• 8 - 4

• 8 + 4

• 8 * 4

• 8 / 4

What is the result of -7 - (-3)?

• 4

• -4

• 10

• -10

What is the result of 8 - (+4)?

• -12

• -4

• 4

• 12