Comparison Problems
Sam has 4 goldfish. Paige has 3 goldfish. JP has 2 times as many goldfish as Sam and Paige combined. How many goldfish does JP have?
14 goldfish
(60 + 3) x 7
441
18x5
90
A tree farm has 9 rows of 39 spruce trees. In each row, 15 of the spruce trees are blue spruce. How many trees are there all together?
351 trees
Estimate:
46x4
50x4= 200
There are 8 students in the art club. There are 3 times as many students in chorus. How many students are in chorus?
24 students
8x(30+5)
280
34x9
306
Mr. S and his friends go apple picking. Mr. S fills 5 baskets. Each basket holds 15 apples. If 4 of Mr. S's friends pick the same amount as him, how many apples do Mr. S AND his friends have all together?
375 apples
Estimate:
678x7
700x7=4900
There are 27 campers. This is 9 times as many as the number of counselors. How many counselors are there?
3 counselors
(6x70)+(6x4)
444
532x6
3,192
A jewler has 38 inches of silver chain. She needs 4 times that much to make necklaces and 5 times that much to make bracelets. How much silver chain will she need to make bracelets and necklaces?
342 inches
What property is this:
23x7=7x23
Communative
There are 5 times as many yellow labs as terriers in the dog park. If there are total of 18 dogs, how many dogs are terriers?
3 terriers
(500 + 60 + 2) x 8
4,496
7,145x3
21,435
Penny walks her dog 4 times a day. Each time she walks her dog she walks 2,435 yards. How many yards does she walk in 2 days?
19,480 yards
4x56x20
4,480
In Penny's fishtank there are 6 times as many goldfish as guppies. There are a total of 21 fish in the tank. How many more goldfish are there than guppies?
15 more goldfish
(8,000 + 100 + 20 + 5) x 9
73,125
96,541x9
868,869
A hotel has 159 rooms on each floor. There are 6 floors. If 312 of the rooms in the hotel have been cleaned, how many rooms still need to be cleaned?
642 rooms
3x31x10
930