Solve.
52 × 9 =
Tammy has a piece of scrap wood from a home project. She wants to add a decorative boarder around the scrap wood. How long of a boarder does Tammy need to go all the way around her piece of scrap wood?
What do we need to find?
To find the perimeter, we need to .
Tammy needs of decorative boarder.
Complete the facts.
Complete the pattern by skip counting.
9,