Subtract Integers

What is the "Keep Change Change" method primarily used for in mathematics?

• Multiplying integers

• Dividing fractions

• Subtracting integers

• Adding decimals

When applying the "Keep Change Change" method to solve 10 - (-2), what is the first step?

• Change 10 to -10

• Keep 10 the same

• Change -2 to +2

• Change the minus sign to a plus sign

(a)  

When applying the "Keep Change Change" method to solve 4 - (-2), what is the third step?

• Keep 4 the same

• Change the minus sign to a plus sign

• Change -2 to +2

• Add the integers

What is the result of -3 - 6 using the "Keep Change Change" method?

• 3

• -9

• 9

• -3