Finding Unknown Factors
5 X L = 35
7
3 X 40
120
The school assembly room has 5 rows of chairs with 20 chairs in each row. How many total chairs are there?
100 chairs
20 = c X 5
4
8 X 20
160
The concert has 7 rows of chairs with 10 chairs in each rows. If the students fill 4 rows of chairs, how many students are at the concert?
40 students
8 X e = 64
8
7 X 40
280
Ms. Derrico is watching a marching band practice. the band marches by with 4 rows of people playing instruments. She counts 80 people in each row. How many people march in the band?
320 people
3 X 6 = k X 9
2
3 X 50
150
There is a cookie tray with 9 rows of cookies. There are 30 cookies in each row. How many total cookies are there?
27 cookies
5 X g = 36 - 6
6
If Ms. Derrico has 6 bags of cookies and there are 30 cookies in each bag, how many total cookies does she have?
180 cookies
The third grade class glued 60 pieces of paper together for a project. Each pieces of paper was 9 centimeters long. How many total centimeters of paper was glued together?
540 centimeters