Subtracting Integers with Zero Pairs

The video tutorial explains how to subtract integers using counters. It starts with basic subtraction of positive integers, then moves on to subtracting negative integers. The tutorial introduces the concept of zero pairs to handle cases where the number of counters is insufficient for subtraction. Through examples, it demonstrates how to subtract larger numbers and how to subtract a positive integer from a negative integer using zero pairs.

What is the result of subtracting 2 from 3 using counters?

• 0

• -1

• 2

• 1

When subtracting integers, what does removing a counter represent?

• Changing the sign

• Doubling the value

• Adding a counter

• Removing a value

How many positive counters are left after subtracting 2 from 3?

• 1

• 2

• 3

• 0

What is the result of -3 minus -1 using counters?

• -4

• -2

• 2

• 0

What happens when you remove a negative counter?

• It removes a negative value

• It adds a negative value

• It removes a positive value

• It adds a positive value

How many red counters are left after subtracting -1 from -3?

• 3

• 2

• 4

• 1

What is the result of 3 minus 5 using zero pairs?

• 2

• 5

• 0

• -2

Why do we add zero pairs when subtracting a larger number from a smaller one?

• To keep the value the same

• To change the value

• To increase the counters

• To decrease the counters

How many zero pairs are added to subtract 5 from 3?

• 2

• 1

• 3

• 4

What is the result of -10 minus 2 using zero pairs?

• -2

• -8

• -12

• -10