Teachers, save “One More and One less” to assign it to your class.

Watch the video on how to complete the activity. Click the add button Count how many dots and write that number in the middle. Use the x to cross one out. How many is one less? the number to the blue line below the tens frame that says one less. Use the blue dot to add one more. How many is one more? the number to the blue line below the tens frame that says one more.