This fill in the blanks activity is designed to help Grade 1 students practice skip counting by 3's and 5's. The activity consists of 5 questions, each with a sequence of numbers with one or more blanks in it. The student's task is to fill in the missing numbers in the sequence by counting forward by 3's or 5's, depending on the question.

This activity is an excellent way for students to reinforce their skip counting skills and develop their ability to recognize patterns in numbers. By completing this activity, students will become more confident in their ability to count by multiples of 3 and 5, and will be better prepared for more complex math concepts in the future.

Overall, this activity is an engaging and effective tool for helping Grade 1 students master the important concept of skip counting by 3's and 5's.