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Tracy Chambers

Student Instructions

Mental Math for Adding 2 Digit Numerals

Click on the add The first few pages of this activity show you how to use the mental math strategy for adding left to right. Using the drawing tool, answer the next few pages making sure to show your work. You may also use the mic to explain your answers. Click on the green check to send to your teacher when you are done.

3rd Grade, Other, Math
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Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

Students will edit this template:

Break the numbers up into 10’s and 1s.

Teacher Notes (not visible to students)

Mental Math: adding left to right