Dividing Decimals with Swinging Monkeysmsarnoldmath.weebly.com/.../dividing_decmials_pp.pdf ·...
Transcript of Dividing Decimals with Swinging Monkeysmsarnoldmath.weebly.com/.../dividing_decmials_pp.pdf ·...
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Dividing Decimals with
Swinging Monkeys
I can fluently divide multi-digit decimals
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Dividing Decimals with
Swinging Monkeys
I can fluently divide multi-digit decimals
![Page 4: Dividing Decimals with Swinging Monkeysmsarnoldmath.weebly.com/.../dividing_decmials_pp.pdf · Steps in Dividing Decimals 1. Make the divisor (outside number) a whole number by moving](https://reader036.fdocuments.in/reader036/viewer/2022062307/5fc8439ef78da249d606fc34/html5/thumbnails/4.jpg)
Swinging Monkeys!
Follow these steps and you will be great at dividing decimals!
Remember: Whatever the OUTSIDE monkeys do – the INSIDE monkeys do also!
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Division Vocabulary
64.122.
“Inside” Dividend
“Outside” Divisor
Quotient
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Division Vocabulary
64.122.
12.64 ÷ .2
12.64 divided by .2
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Steps in Dividing Decimals 1. Make the divisor (outside number) a whole
number by moving (swingin’) the decimal to the right as many places as it takes to make it a WHOLE NUMBER.
2. In MONKEY TERMS: Whatever the outside monkey does (how far it swings) the inside monkey does also. Then the monkey climbs up and sits on the roof!
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Swingin’ Monkeys
64.122.Divisor
Moved (swung) the decimal point
1 place to the right Swingin’
Monkey
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Steps in Dividing Decimals
2. Move (swing) the decimal point in the dividend the same number of places as the divisor.
64.122. Dividend
Moved (swung) the decimal point 1 place to the right
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Steps in Dividing Decimals – Swingin’ Monkeys
64.122.
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Steps in Dividing Decimals – Swingin’ Monkeys
64.122.
3. Place (swing) the decimal point in the answer (quotient) lined up with the decimal point in the dividend (on the roof).
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Steps in Dividing Decimals
4. Now, divide as usual!
4.1262
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Steps in Dividing Decimals
4. Divide the numbers. Make sure the decimal point stays lined up.
4.12626
12 6
2
6 4
3
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What is actually happening . . .
n When you move the decimal one place to the right to create a WHOLE number – you are actually multiplying it by 10!
n When you move the decimal two places to the right to create a WHOLE number – you are actually multiplying it by 100!
n Three?
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Try these on your own:
1) 14.2 ÷ 0.2 =
2) -25.5 ÷ 1.5 =
3) 20.46 ÷ -3.3 =
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Answers to (1-3)
1) 14.2 ÷ 0.2 = 71
2) -25.5 ÷ 1.5 = -17
3) 20.46 ÷ - 3.3 = -6.2
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Try these on your own:
4) -2.10 ÷ -0.6 5) 5.28 ÷ 4.8 6) -9.52 ÷ 6.8
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Try these on your own:
4) -2.10 ÷ -0.6 = 3.5 5) 5.28 ÷ 4.8 = 1.1 6) -9.52 ÷ 6.8 = -1.4
![Page 19: Dividing Decimals with Swinging Monkeysmsarnoldmath.weebly.com/.../dividing_decmials_pp.pdf · Steps in Dividing Decimals 1. Make the divisor (outside number) a whole number by moving](https://reader036.fdocuments.in/reader036/viewer/2022062307/5fc8439ef78da249d606fc34/html5/thumbnails/19.jpg)
Try these on your own:
7) -32.76 ÷ -0.78 8) 14.56 ÷ 0.28
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Try these on your own:
7) -32.76 ÷ -0.78 = -42 8) 14.56 ÷ 0.28 = 52
![Page 21: Dividing Decimals with Swinging Monkeysmsarnoldmath.weebly.com/.../dividing_decmials_pp.pdf · Steps in Dividing Decimals 1. Make the divisor (outside number) a whole number by moving](https://reader036.fdocuments.in/reader036/viewer/2022062307/5fc8439ef78da249d606fc34/html5/thumbnails/21.jpg)