Standards:
1.5.B skip count by twos, fives, and tens to determine the total number of objects up to 120 in a set;
- Skip-counting - with pictures (First grade - A.8)
- Counting by twos, fives, and tens - up to 100 (First grade - A.9)
- Skip-counting patterns - with tables (First grade - A.18)
- Sequences - count up and down by 1, 2, 3, 5, and 10 (First grade - A.19)
