4th grade multiplication
What is 57x89 using area model
5073!
72 / 6
582+691
1273
957-648
309!
3 2
_ + _
4 4
5
_ 1 1/4
4
What is 824x3 using area model
2,472!
255/17
15
8021+593
8,614!
846-635
211!
Detective Diaz started tracking a suspect at 2:45 PM. He followed the suspect for 1 hour and 35 minutes before losing sight of him.
🕒 What time was it when he lost the suspect?
2:45 PM + 1 hour = 3:45 PM
3:45 PM + 35 minutes = 4:20 PM
What is 5 x 9072 using partial products
45,360!
5084/62
82!
6612+4876
11,488!
2058-342
1,716!
A mysterious warehouse packs 36 crates each day. Each crate contains 48 mysterious gadgets.
But one day, 6 crates were damaged and couldn't be shipped.
🧮 How many gadgets were actually shipped that day?
Total crates packed: 36
Crates actually shipped: 36 - 6 = 30
Gadgets shipped: 30 × 48 = 1,440 gadgets
Sarah is organizing chairs for a graduation party. Each table has 19 chairs, and there are 27 tables.
513!
6324/4
1,581!
725+458
1,183!
6,051-2,428
At the Mystery Hotel, 125 guests checked in on Friday. Each guest brought 2 suitcases.
By the end of the weekend, 80 suitcases had mysteriously vanished.
🧩 How many suitcases remained?
Total suitcases: 125 × 2 = 250
Remaining suitcases: 250 - 80 = 170 suitcases
🎒 Final Answer: 170 suitcases
A factory produces 450 smartphones each day. The factory operates 26 days in a month.
How many smartphones does the factory produce in one month?
11, 700
1897 / 5
379.4!
9087+3061
12,148!
80,076-5,437
74,639!
Emma has a small rectangular garden in her backyard. The garden is 12 feet long and 7 feet wide.
What is the perimeter of Emma’s garden?
What is the area of Emma’s garden?
p=38
A=84