Teachers, save “3 Digit Addition with and without regrou…” to assign it to your class.

Tap the button to begin Question 1 * Use the tool to answer the question about regrouping. * Use the or to type in your answer on the stacked question. Question 2 * Use the tool to show your work on the HTO chart. * Use the or tool to type in your answer on the stacked question Question 3 * Use the to build your number with the base 10 blocks * Use the tool to show your work on the HTO chart. * Use the or tool to type in your answer on the stacked question Question 4-Challenge * Use the to build your number with the base 10 blocks * Use the tool to show your work on the HTO chart. * Use the or tool to type your answer.