julie's mental math BA

Front

What is the sum of 35 and 45?

Back

80

Front

What is 80 minus 47?

Back

33

Front

What is the difference between 987654 and 876543?

Back

111111

Front

What is 8 more than 10?

Back

18

Front

What is 10 less than 110?

Back

100

Front

What is the sum of 25 and 75?

Back

100

Front

What is 50 minus 20?

Back

30

Front

What is the difference between 500 and 250?

Back

250

Front

What is 15 more than 25?

Back

40

Front

What is 30 less than 100?

Back

70