Tap and select your name. Choose a number to model. Tap the tool and write it in the standard form box. To create your model you can either: a) Use the tool to draw your model OR b) Tap the and use the base ten blocks to create your model. Pinch and them into the model box. Tap the tool and write the number in expanded form. Tap the and use the to point and tell about each number and how you represented it. Tap done and then tap page 2 and repeat. When done with both pages, tap the to turn your work in.