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Published byKristopher Holmes Modified about 1 year ago

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Early Division on MathLine on MathLine

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Early Division Early divisionincludes Early division includes : Division as Repeated Subtraction Breaking into Equal Groups or

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Students think about Early Division both ways! Early Division

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Equal Groups Division Division as Repeated Subtraction Computational Division Division with Remainders Division on MathLine includes : Division on MathLine includes : Long Division… Starting with a single Digit Divisor Early Division

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MathLine will effectively model ALL aspects of division for your students! Early Division

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This presentation covers Early Division Equal Groups Division Division as Repeated Subtraction Division as Repeated Subtraction Computational Division Computational Division

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Equal Groups Division Early Division

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If we have 18 cookies in a jar, and we put them into 3 equal piles. How many in each pile? Early Division

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Find 3 equal groups of 18 through Trial & Error 18 ÷ 3 Early Division

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Groups of 7? 4 77 No 18 ÷ 3 Early Division

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Groups of 6? 666 Yes 18 ÷ 3 Early Division

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See 18 divides by 6 - 3 times. So each pile has 6 cookies. 66 6 18 ÷ 3 = 6 Early Division

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If we have 24 students playing soccer at gym time, and they split up into teams of 6. How many teams are there to play soccer? Early Division

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Division as repeated subtraction 24 24 ÷ 6 = Early Division

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One group of 6 from 24 One group of 6 from 24 6 24 ÷ 6 = Early Division

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Two groups of 6 from 24 66 24 ÷ 6 = Early Division

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Three groups of 6 from 24 666 24 ÷ 6 = Early Division

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6666 Four groups of 6 from 24 24 ÷ 6 = 4 Early Division

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4321 Quotient is 4, or there will be 4 teams to play soccer. 24 ÷ 6 = 4 Early Division

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22 ÷ 4 = 22 ÷ 4 = Early Division

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4 and divide 4 22 ÷ 4 = 22 ÷ 4 = Early Division

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44 22 ÷ 4 = 22 ÷ 4 = 4 and divide Early Division

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444 22 ÷ 4 = 22 ÷ 4 = 4 and divide Early Division

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4444 22 ÷ 4 = 22 ÷ 4 = 4 and divide Early Division

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44444 22 ÷ 4 = 22 ÷ 4 = 4 and divide Early Division

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5 groups of 4 54321 22 ÷ 4 = 5 22 ÷ 4 = 5 Early Division

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54321 With two left over, remainder of 2 22 ÷ 4 = 5 r 2 22 ÷ 4 = 5 r 2 Early Division

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Notice that remainder 2 is also 2 of 4 24 22 ÷ 4 = 5 r 2 22 ÷ 4 = 5 r 2 Early Division

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Which is 2/4 or 1/2 24 22 ÷ 4 = 5 r 1/2 22 ÷ 4 = 5 r 1/2 Early Division

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