There are 108 monkeys in the zoo. Each monkey is carrying 3 bananas. How many bananas are there altogether?
What is 324
200
3x7
What is 21
200
35x4
What is 140
200
solve using the standard algorithm:
248x7
What is 1736
200
solve using partial products:
4,561x6
What is 27,366
200
Mark wants to make 6 airplane propellers.
He needs 18 centimeters of wood for each propeller.
How many centimeters of wood will he use
What is 108 centimeters
300
4x8
What is 32
300
solve using partial products:
61x5
What is 305
300
solve using the area model:
564x9
What is 5076
300
solve using mental math:
4560x2
What is 9,120
300
One game system costs $238. How much will 4 game systems cost?
What is $952
400
6x7
What is 42
400
solve using an area model:
86x4
What is 344
400
solve using partial products:
943x4
What is 3,772
400
solve: 7,524x4
What is 30,096
400
A farmer planted 4 rows of sunflowers. There were 1,205 plants in each row. How many sunflowers did
he plant?
What is 4,820 sunflowers.
500
8x12
What is 96
500
Using mental math solve: 84x6
What is 504
500
solve using two different strategies:
834x3
What is 2,502
500
solve using two different strategies:
4,631x7
What is 32,417
500
It takes 687 Earth days for the planet Mars to revolve around the Sun once. How many Earth days does it
take Mars to revolve around the Sun four times?