Addition and Subtraction of Integers

If you have R100 in your bank account and you draw R90, how much do you have left?

• R10

• R20

• R190

• -R10

If you have R100 in your bank account and you draw R100, how much do you have left?

• R100

• R10

• R200

• R0

If you have R100 in your bank account and you draw R120, how much do you have left?

• R20

• R220

• -R20

• -R220

If you have -R100 in your bank account and you draw another R100, how much do you have left?

• R0

• -R200

• R100

• R200

If you have -R100 in your bank account and you deposit R200, how much do you have left?

• R100

• R300

• -R100

• -R300

 $1-1=$  

• -1

• -2

• 1

• 0

 $1-2=$  

• 0

• -1

• -2

• 1

 $-2-2=$  

• 0

• -2

• 4

• -4

 $0-9=$  

• 0

• -9

• 9

• 1

 $-3+4=$  

• 7

• -7

• 1

• -1