Curated OER
Counting by Three's: Random
In this math worksheet, students complete 5 tables in which they follow directions to skip count by three. They start at the random number which is indicated, and skip count to find the next nine numbers in each set.
Curated OER
Classroom JR - Counting by Numbers
In this grouping numbers learning exercise, students write the numbers in the blanks counting first by two's, then by three's, then by ten's, and finally by one hundreds.