First, click on the classroom. Make sure you read the learning target and watch the lesson. There are two slides. You will use the or tools to solve these two problems. Read the word problem carefully. 1. Think about the first step. What operation (+ or -) do you have to use first? Write the number sentence and solve it. 2. Think about the second step. What operation (+ or -) do you have to use in this second step? Write the number sentence and solve it. 3. Make sure you show ALL your work. After you complete the two slides click on to submit. Click to begin.