Teachers, save “5.3K, 5.3A Add & Subtract Positive Ratio…” to assign it to your class.

You will be finding the actual sum and differences of numbers. You will also estimate to check that your answers are reasonable. Show ALL of your work. 1. Tap on 2. Use the or tool to work out the problems. 3. Check that you completed every problem. 4. Tap on to submit.