Mastering Adding and Subtracting Integers

The video tutorial covers the basics of adding and subtracting integers, using visual aids like tiles to demonstrate simple problems. It explains how subtracting negative numbers can increase value and introduces an alternative method of changing subtraction to addition by adding the opposite number. The tutorial includes practice examples to reinforce these concepts.

What is the result of subtracting 4 from 6 using tiles?

• 4 positives

• 2 positives

• 2 negatives

• 6 negatives

If you start with 7 negatives and remove 2 negatives, what are you left with?

• 9 negatives

• 5 negatives

• 5 positives

• 7 positives

How can you handle the subtraction 4 - 7 using zero pairs?

• Add 3 zero pairs and remove 7 positives

• Add 7 zero pairs and remove 4 positives

• Add 7 zero pairs and remove 3 positives

• Add 4 zero pairs and remove 7 positives

What happens to the value when you subtract two negatives?

• It stays the same

• It becomes zero

• It decreases

• It increases

What is the result of -7 - (-2)?

• -7

• -2

• -5

• -9

What is the equivalent of 4 - 7?

• 4 + (-7)

• 4 + 0

• 4 - (-7)

• 4 + 7

What is the simplified rule for changing subtraction to addition?

• Keep-Change-Flip

• Keep-Change-Opposite

• Keep-Change-Same

• Keep-Change-Change

What is the result of 8 - 14 using the 'keep-change-opposite' rule?

• -8

• 8

• -6

• 6

What is the result of -5 + (-7)?

• 12

• -2

• 2

• -12

What is the result of 4 - 12 using the 'keep-change-opposite' rule?

• 8

• -8

• -16

• 16