Front

What is the weight of Tiffany's truck before delivering hay?

Back

24,380 pounds

Front

What is the weight of Tiffany's truck after delivering hay?

Back

23,120 pounds

Front

How can Tiffany determine the weight of the hay she delivered?

Back

By subtracting the weight of the truck after delivery from the weight before delivery.

Front

What is subtraction in relation to addition?

Back

Subtraction is the opposite of addition.

Front

What do you get when you add two numbers?

Back

The sum.

Front

What do you get when you subtract two numbers?

Back

The difference.

Front

What is the first step in solving a subtraction problem?

Back

Rewrite the problem vertically and line up the digits according to place value.