Question

Use the six steps in the "Blueprint for Problem Solving" to solve the following word problem. You may recognize the solution by just reading the problem. Use n as the variable for the number and write the equation used to describe the problem.The sum of a number and 2 is 3. Find the number.Equation: ?The number X equal is ? .

Answer 1

1. The items that are known are:

An addend: 2

The result: 3

The item that are unknown is:

The other addend:

2. Lest assign n as the variable

The other addend: n

3. The equation for this problem is:

`n+2=3`

4. Solving the equation we get:

`n=3-2`
`n=1`

5. The number that added to 2 is equal to 3 is 1.

6. By rereading the problem we see that the solution is correct.