Solve the Math problem for each day of the week by completing your CER (Claim, evidence, and Reasoning). Make sure you have a paper/notebook and a pencil. 1. Tap the button. 2. Go through the pages on the right and look for the correct day. 3. Read the Math problem of the day and complete your CER. 4. Start with E (Evidence). Make a drawing and write your equation. 5. After solving, write C (Claim). Make sure to begin with, "I claim..." 6. Write your R (Reasoning) explaining how you got your answer. 7. Click on to take a picture of your finished work. 8. Move and resize to make it fit on the space. 9: Tap the to read and record your CER. 10.Tap to save your work for the day. 11.On Friday, tap to submit your Math Journal for the whole week.