## Purpose

To connect skip counting and multiplication.

None

Have students count by 2 (to 48), 4 (to 48), and 8 (to 96), then 5 (to 100) and 10 (to 100), starting at 0 and then backwards. For example, if students first count by 2, this time have them count by 4 and then by 8. In both Parts 1 and 2, we have suggested number sequences that highlight relationships among skip counting patterns.These exercises help students review their multiplication facts and to notice relationships among skip counting patterns.

Part 1 asks students to skip count by 2, 4, 8, 5 and 10, starting at 0 and then counting backwards. Part 2 asks students skip count by 3, 6, and 12, starting at 0 and then counting backwards. Throughout students are asked to look for patterns.

Let’s skip count together by 2. We’ll start at 0 and end at 24 and then we’ll count backwards by 4s from 24 to 0. Then we’ll skip count by 4 and 8.

Examples:

- Skip count by 2 to 48 (0, 2, 4, 6, 8…46, 48, 46…8, 6, 4, 2, 0)
- Skip count by 4 to 48 (0, 4, 8, 12…44, 48, 44…12, 8, 4, 0)
- Skip count by 8 to 96 (0, 8, 16, 24…88, 96, 88…24, 16, 8, 0)
- Skip count by 5 to 100 (0, 5, 10, 15…90, 95, 100, 95, 90…15, 10, 5, 0)
- Skip count by 10 to 100 (0, 10, 20…80, 90, 100, 90, 80…20, 10, 0)

*While children are enjoying their building of mastery, feel free to repeat. When children eager for more, try Part 2.*

Now let’s try skip counting some other numbers and see what you notice in the patterns. (Students may notice that there are related patterns between 3, 6, and 12).

Examples:

- Skip count by 3 to 72 (0, 3, 6, 9…66, 69, 72, 69, 66…9, 6, 3, 0)
- Skip count by 6 to 72 (0, 6, 12…66, 72, 66…12, 6, 0)
- Skip count by 12 to 144 (0, 12, 24…132, 144, 132…24, 12, 0)

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