True or False. Multiplication and division are inverse operations
true
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15
James had 6 toy cars. He lost 2 cars. What addition fact can you use to find how many cars he has now? Explain
2 + 4 = 6; Possible explanation: I think 2 plus how many more will make 6 cars in all
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15
Subtract. 6+_=8
2
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lifesaver
Give 25 points!
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fairy
Take points!
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20
25
rocket
Go to first place!
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baam
Lose 20 points!
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15
The theater can hold 448 people. If each row seats 16 people, how many rows are in the theater?
28 rows
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15
Define Related facts.
A set of multiplication and division equations that are related. Related facts use the same three numbers
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15
Subtract. 2+_=9
7
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15
There are 912 ounces of beans in as case of bags of beans. There are 24 bags in each case. What is a reasonable estimate for the number of ounces of beans in each bag?
Possible answer: about 40 ounces
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15
Use compatible numbers to find two estimates. 629/86
630/90=7 and 640/80=8
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thief
Give points!
5
10
15
20
25
star
Double points!
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fairy
Take points!
5
10
15
20
25
baam
Lose 25 points!
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15
Jack wants to plant 36 flowers in 4 flower beds. She decides to plant the same number in each flower bed. How many flowers does she plant in each flower plant?