ADDITION AND SUBTRACTION

10 + 10 =

• TWENTY

• NINETEEN

11+4 =

• FOURTEEN

• FIFTEEN

9+6=

• SEVENTEEN

• FIFTEEN

6+3 =

• NINE

• ELEVEN

4+13 =

• SEVENTEEN

• EIGHTEEN

ELEVEN + SIX =

• 17

• 14

NINE + NINE =

• 19

• 18

TWENTY - EIGHT =

• 13

• 12

FOUR - THREE =

• 1

• 3

SEVENTEEN - SEVEN =

• 17

• 10