MATHEMATICS FOR SENULA

Front

12+9

Back

21

Answer explanation

12+

9

2+

9

=11

1+

leftover = 1

=2

Then Remove one one from the first answer.

Finally, add both totals!

Front

20+9

Back

29

Front

45+7

Back

52

Answer explanation

Great work!

Front

45+11

Back

56

Front

22+33

Back

55

Front

12+7

Back

19

Front

43 + 7 (HINT = 10's question. Always use the known method!)

Back

50

Front

23+54

Back

77

Front

30+10

Back

40

Front

12+3+2

Back

17