Add and subtract whole numbers

Front

What is 200 - 81?

Back

119

Front

What is 75 + 124?

Back

199

Front

What is 148 + 387?

Back

535

Front

What is 500 - 44?

Back

456

Front

What is 100 - 36?

Back

64

Front

What is the sum of 30 and 20?

Back

50

Front

What is 150 - 75?

Back

75

Front

What is 90 + 10?

Back

100

Front

What is 250 - 100?

Back

150

Front

What is 60 + 40?

Back

100