BITS and PIECES III
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Transcript of BITS and PIECES III
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BITS and PIECES IIIInvestigation 3.2
The Great Equalizer: Common Denominators
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What does the division 3.25 divided by 0.5 mean?
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What does the division 3.25 divided by 0.5 mean?
How many 0.5’s are in 3.25.
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What can you give for a real-life situation that this decimal division problem could represent?
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What can you give for a real-life situation that this decimal division problem could represent?
How many half-meter sticks can be cut from a stick 3.25 meters long?
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What is a reasonable estimate for 3.25 divided by 0.5?
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3 divided by 1/2 = 6
What is a reasonable estimate for 3.25 divided by 0.5?
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3.25 divided by 1/2 ------Actual Answer3 divided by 1/2 = 6 ------Estimate
Is this estimate greater than or less than the actual answer?
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3.25 divided by 1/2 ------Actual Answer3 divided by 1/2 = 6 ------EstimateIs this estimate greater than or less
than the actual answer?Less than because you replaced the dividend (3.25) with a less number (3.00) but kept the divisor (1/2) the same.
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3.25 divided by 0.5325/100 divided by 5/10325/100 divided by 50/100
ALL THE SAME
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3.25 divided by 0.5 = 6.5 or 6 1/2
What does the quotient 6.5 represent?
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3.25 divided by 0.5 = 6.5 or 6 1/2
What does the quotient 6.5 represent?
There are 6 whole 0.5’s and half of a 0.5 in 3.25.
Can someone dry a picture of this?
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3.25 divided by 0.5 = 6.5 or 6 1/2
What does the quotient 6.5 represent?
There are 6 whole 0.5’s and half of a 0.5 in 3.25.
Can someone dry a picture of this?
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4.2 divided by 2.1
Estimate the quotient and write each dividend (4.2) and divisor (2.1) in fraction form with common denominators.
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4.2 divided by 2.1Estimate the quotient and write each dividend (4.2) and divisor (2.1) in fraction form with common denominators.Estimate: 4 divided by 2 =2
Fraction form: 42/10 divided by 21/10 =2 Whole number division: 42 divided by 21
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0.44 divided by 0.08
Estimate the quotient and write each dividend and divisor in fraction form with common denominators.
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0.44 divided by 0.08 Estimate the quotient and write each dividend and divisor in fraction form with common denominators.
Estimate: 0.50 divided by 0.10 = 5 Fraction: 44/100 divided by 8/100Whole number: 44 divided by 8 = 5.5
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Write the whole number division problem that corresponds to each problem from each set.
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Write the whole number division problem that corresponds to each problem from each set.
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Without solving decide whether each set lead to the same quotient. Explain.
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Without solving decide whether each set lead to the same quotient. Explain.Set 1 and Set 3 lead to the same
answer. The problems in set 2 do not because the quantities being divided are different in each problem. Hint: Move decimals.
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Solve the problems.
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Solve the problems.
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785/10 divided by 91/10
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785 divided by 91
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-For problem number one just divide to get 25.-For number two, move the decimal point to the right 2 spots to get the answer (25).-For problem three, move the decimal to the right 3 times to get 37500 divided by 15 to get 2500.
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