MUST-DO: Writing Expressions with Addition and Subtraction

Front

The sum of two numbers a and b

Back

a + b

Front

The difference between a number x and 10

Back

x - 10

Front

The total of 5 and y

Back

5 + y

Front

The number z increased by 12

Back

z + 12

Front

The sum of three times a number n and 4

Back

3n + 4

Front

The difference between 20 and a number m

Back

20 - m

Front

The total of x, y, and z

Back

x + y + z

Front

The number p decreased by 15

Back

p - 15

Front

The sum of 8 and twice a number k

Back

8 + 2k

Front

The difference between a number q and 5

Back

q - 5