3rd grade multiplication of 1 and 2 digit numbers 2 scientist game - In the previous games, students were introduced to the concept of multiplication with basic multiplication facts up to 20. In the current game, the multiplication exercises go one step further to integrating multiplication of 1 digit by 2 digit numbers. In some cases students will have to multiply numbers in the tens place and carry forward other numbers across places. The current activity is covered with an interactive online quiz which checks student�s ability to quickly solve multiplication problems up to two digits. Teachers will find this resource useful and easy to use since students can instantly get feedback as they play along. This math quiz is for 3rd, 4th and 5th graders.