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Amazing Addition!
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What kind of problem does the identity property show?
100+0=100
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What is it called if the answer makes sense?
reasonable
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What do you see in the addition table?
patterns
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What do you use to add when you trade cubes, rods and flats?
visual models
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What is a problem like this called? 28+20=48
addition number sentence
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What is one of the numbers called you add in an addition problem?
addend
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What kind of problem does the Associative Property show?
2+ (7+3)=6+ (5+1)
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What would be an example of the commutative property of addition ?
10+40=40+10
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What are the four steps to solving a story problem?
understand, plan, solve and check
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What is the missing number in an addition problem?
unknown
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What is it called when you have a close, but not exact answer?
estimate
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What is the answer to an addition problem?
sum
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What is it called when you rename a number using place value?
regrouping
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