Multiply 2 digits by 2 digits
33 X 10
330
125 X 20
2,500
Lloyd runs a bakery. He places a monthly order for 128 pounds of all-purpose flour every week. How many pounds of flour would he have ordered over 4 weeks?
512
What are the factors of 30
1,2,3,5,6,10,15,30
Is 5 Prime or Composite? Why?
Prime; because it only has factors of one and itself.
42 X 23
966
357 X 26
9,282
The perimeter of a plot of land Julia wants to fence is a total of 325 yards. The cost of the fencing she wants to use is $8 per yard. How much will it cost Julia to fence in her yard in all?
$2, 600
What are the factors of 45
1,3,5,9,15,45
Is 53 Prime or Composite? Why?
Prime! It has factors of 1 and itself!
56 X 55
3,080
423 X 43
18,189
A poultry farm has 7 barns. Each barn houses 1,385 chickens. How many chickens does the farm have?
9,695 birds
What are the factors of 63?
1,3,7,9,21,63
Is 99 Prime or Composite? Why
Composite! Its factors include:1,3,9,11,33,99!
68 X 76
5,168
679 X 83
56,357
A total of 2,775 glass plates are needed to complete the exterior of a two-story building. How many plates of glass are needed to complete an eight-story building?
11,100
What are the factors of 75?
1,3,5,15,25, 75
Is 121 Prime or composite? Why?
Composite! It has factors of 1,11,121
97 X 99
9,603
989 X 87
86,043
Tim bought 9 packs of Valentine's candies. Each pack contains 1,375 candies. How many candies does Tim have in all?
12,375
What are the factors of 88?
1,2,4,8,11,22,44,88
Is 133 prime or composite? Why?
Composite; has factors of 1, 7, 19, 133