Lesson 6-3 Example 4 6-3 Find the difference of 3 and –2. Use the number line. Step 1Write the subtraction expression. 3 – (–2)

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Presentation transcript:

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 1Write the subtraction expression. 3 – (–2)

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 2 To subtract integers, add the opposite. Write the addition expression This is the new expression.

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 3 Graph the first number.

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 4 The sign of the second integer is positive. Which direction will you go on the number line? right

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 5 Where are you on the number line? 5

Lesson 6-3 Example Find the difference of 3 and –2. Use the number line. Step 6Write the difference. 3 – (–2 ) = 5