Pennsylvania Department of Education
Stacking Chips
Students examine the outcome of adding one to a group of items. In this number sense lesson, students create stacks of chips and count them. Then, students add one more chip to the stack and count the chips again. Students discuss their...
Curated OER
Adding 1 to a Single Digit
In this adding one worksheet, students solve 10 problems in which the number one is added to a single digit number from 1 to 5.
Curated OER
Adding 1's
In this adding one worksheet, students solve 20 problems in which the number 1 is added to a single digit number. Numbers are both in horizontal and vertical format.