ADDITION AND SUBTRACTION

five+eight=

• ten

• thirteen

• eleven

seven+three=

• eleven

• twelve

• ten

one+eighteen=

• nineteen

• twenty

• eighteen

twelve+four=

• fifteen

• seventeen

• sixteen

twenty-five=

• twenty-five

• thirteen

• fifteen

seventeen-nine=

• sixteen

• eight

• fourteen

fifteen-two=

• thirteen

• seventeen

• twelve

eleven+one=

• ten

• twelve

• fourteen

thirteen+three=

• sixteen

• fifteen

• ten

sixteen+four=

• fifteen

• twelve

• twenty