Multiply
Factors
Estimate
Draw a Model
Extra Information
100
80 x 60
What is 4,800
100
20
What is 1,2,4,5,10,20
100
36 x 9
What is 40 x 9 = 360
100
32 X 46
What is (30 X 40) + (30x 6) + (2x 40) + (2 x 6)
100
List any information that is not needed to solve the problem: Sally has two cats. She also has four dogs. If Sally gets three times more dogs, how many dogs will she have?
What is Sally has two cats?
200
13 x 67
What is 871?
200
12
What is 1,2,3,4,6,12
200
8 x 93
What is 8 x 90 = 720
200
4 x 238
What is (4x 200) + (4x30) + (4x8)
200
Tom is 14 years old. He has two sisters and their names are Denise and Julie. Julie is twice as old as Denise. Denise is half as old as Tom. How old is Denise?
What is Julie is twice as old as Denise.
300
3 x 354
What is 1,602
300
50
What is 1,2,5,10,25,50
300
22 x 57
What is 20 x 60 =1,200
300
56 x 74
What is (50x 70) + (50x4) + (6x70) +(6 x 4)
300
Volunteers are needed to help with the bake sale. If 12 boys and 16 girls volunteer to work 3 hours, how many hours will the volunteers work in all?
What is no extra information?
400
92 x 67
What is 6,164
400
100
What is 1,2,4,5,10,20,25,50,100
400
78 x 52
What is 80 x 50=4,000
400
1,268 x 4
What is What is (1,000x 4) + (200x4) + (60x4) +(8 x 4)
400
Rue and Penny are Ms. Giles’s dogs. Penny is 6 years old and Rue is 2 months old. Ms. Critchley's dog is named Ruby. has one dog as well. If one dog year equals seven years of a human life, how old is Penny in human years?
What is Ms. Critchley's dog is named Ruby.
500
9 x 4,698
What is 42,282
500
48
What is 1,2,3,4,6,8,12,16,24,48
500
4 x 7,342
What is 4 x 7,000 =28,000?
500
786 x 35
What is (30x 700) + (30 x 80) + (30 x 6) (5x 700) + (5 x 80) + (5x6)
500
Betty is making bracelets. She buys 8 necklaces at Island Variety. She uses 11 beads on 2 bracelets and 5 beads on 9 bracelets. She has 3 beads left over. How many beads are on the bracelets?
What is she buys 8 necklaces at Island Variety.
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