30 x 60
3 tens x 6 tens = 18 hundreds
30 x 60 = 1,800
Use any place value strategy to multiply.
3 x 68
204
A movie theater has two rooms. Room A has 9 rows of seats with 18 seats in each row. Room B has three times as many seats as Room A. How many seats are there in both rooms?
There are 648 seats in both rooms.
Draw an area model to solve the following.
2 x 121
2 x 100 = 200
2 x 20 = 40
2 x 1 = 2
200 + 40 + 2 = 242
4 x 371
1,484
The high school art teacher has 9 cases of crayons with 52 boxes in each case. The elementary school art teacher has 6 cases of crayons with 104 boxes in each case. How many total boxes of crayons do both teachers have? Is your answer reasonable? Explain.
Both teachers have 1,092 boxes of crayons. Yes it is reasonable because it is close to my estimate.
50 x 20
5 tens x 2 tens = 10 hundreds
1,000
7 x 1,305
9,135
Last year, Mr. Petersen’s rectangular garden had a width of 5 meters and an area of 20 square meters.
a. Solve for the length of last year’s garden using the area formula.
The length of last year's garden is 4 meters.
Draw an area model to solve the following.
3 x 269
3 x 200 = 600
3 x 60 = 180
3 x 9 = 27
600+180+27= 807
6034 x 5
30,170
Last year, Mr. Petersen’s rectangular garden had a width of 5 meters, a length of 4 meters, and an area of 20 square meters. This year, he wants to make the garden three times as long and two times as wide.
Draw and label the measurements of this year’s garden.
This year's garden has a width of 10 meters and a length of 12 meters.