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Twenty Questions * Math Review of Unit 1
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Twenty Questions What math term means an answer to an addition problem? What math term means an answer to a subtraction problem? What addition property says the order of the addends does not change the sum? What addition property says the way the addends are grouped does not change the sum? What addition property says the sum of zero and any number is that number? 0 + 7=7 is an example of what property? 6 + 4= 4 +6= Is an example of what property? 6 + (4+3)= (6+4)+3 is an example of what property? What is the place of the underlined digit? 2, 068? What is the place of the underlined digit? 156? What is the place of the underlined digit? 375? What is the value of the underlined digit? 68,314 What is the value of the underlined digit? 456,300 What is the value of the underlined digit? 9,006 300+60+1 is an example of writing a number in what form? 361 is an example of writing a number in what form? Three-hundred sixty- one is an example of writing a number in what form? Solve the equation: __ +70 +9= 579 Solve the equation: (2+5)+4 = 2+(_+5) Solve the equation: 328 + 69 = __+328
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What math term means an answer to an addition problem? The sum.
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2. What math term means the answer to a subtraction problem? The difference.
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3 What addition property says the order of the addends does not change the sum? Commutative Property
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4. What addition property says the way addends are grouped does not change the sum? The Associative Property
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What addition property says the sum of zero and any number is that number? The Zero Property of Addition
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6 What is the place of the underlined digit? 2, 068 Thousands place
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7.What is the place of the underlined digit? 156 Tens place
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8.What is the place of the underlined digit? 375 Hundreds place.
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9.What is the value of the underlined digit? 68,314 60,000
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10.What is the value of the underlined digit? 456,300 400,000
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11.What is the value of the underlined digit? 9,006 9,000
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12. 300 +60 +1 is an example of writing a number in what form? Expanded form
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13.361 is an example of writing a number in what form? Standard form
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14.Three-hundred sixty-one is an example of writing a number in what form? Written form
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15. Solve the equation: ____+ 70 + 9 = 579 500
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16. Solve the equation: ( 2 + 5 ) + 4 = 2 + ( __ + 5 ) 4
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17. Solve the equation: 328 + 69 = __ + 328 69.
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18. In a word problem, if the question asks you “about how much, or “about how many, this is a clue you need to _______ Estimate
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19. Give the repeated addition sentence for the problem: 5x3 3+3+3+3+3 = 15
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20.Give the multiplication sentence for the following: 6+6+6+6+6 = 5X6=30.
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