rounding and metric conversions estimating equations (add & subtract)
TRANSCRIPT
![Page 1: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/1.jpg)
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Rounding and Metric conversions
![Page 4: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/4.jpg)
Estimating
![Page 5: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/5.jpg)
Equations (add &
subtract)
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Equations (multiply &
divide)
![Page 7: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/7.jpg)
Mean, Median and
Mode
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Using Formulas
![Page 9: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/9.jpg)
$100
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Using Formulas
Rounding and Metric conversions
EstimatingEquations
(add & subtract)
Equations (multiply &
divide)
Mean, Median &
Mode
![Page 10: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/10.jpg)
Round to the underlined place of the underlined
digit 741.45380
![Page 11: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/11.jpg)
What is 741.454?
![Page 12: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/12.jpg)
Round to the underlined place of the underlined
digit 617.496286
![Page 13: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/13.jpg)
What is 617.5?
![Page 14: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/14.jpg)
Convert the following:
45km = ? m
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What is
45,000m?
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Convert the following:
35.45cL = ? hL
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What is
0.003545hL?
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Convert the following:
4,255,025mg = ? kg
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What is 4.255025kg?
![Page 20: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/20.jpg)
Estimate (round to the nearest hundred):
5,635.21 – 751.02
![Page 21: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/21.jpg)
What is
4,800?
![Page 22: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/22.jpg)
Estimate (use clustering):
121.26 + 118.99 + 120.25 + 123.11 + 119.06
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What is 600?
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Estimate (round to the nearest tenth):
5.87 + 3.2012
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What is 9.1?
![Page 26: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/26.jpg)
Estimate (round to the nearest hundred):
785 x 321
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What is 240,000?
![Page 28: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/28.jpg)
Estimate (use compatible numbers):
34,321 ÷ 677
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What is
50?
![Page 30: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/30.jpg)
Solve the equation. Show how you keep the
equation balanced.
k – 19 = -4.8
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What is
n = 14.2?
![Page 32: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/32.jpg)
Solve the equation. Show how you keep
the equation balanced.
-22.034 + n = -14.734
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What is
n = 7.3?
![Page 34: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/34.jpg)
Solve the equation. Show how you keep the
equation balanced.
-57.847 = b + (-29.8)
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What is
b = -28.047?
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Solve the equation. Show how you keep the
equation balanced.
r – (-5.1) = -5.36
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What is
r = -10.46?
![Page 38: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/38.jpg)
Solve the equation. Show how you keep
the equation balanced.
6.7 = n – (-24.3)
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What is
n = -17.6?
![Page 40: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/40.jpg)
Solve the equation. Show how you keep
the equation balanced. k ÷ 3.9 = -0.187
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What is
k = -0.7293?
![Page 42: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/42.jpg)
Solve the equation. Show how you keep the
equation balanced.
-3.6p = 3.6
![Page 43: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/43.jpg)
What is
p = -1?
![Page 44: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/44.jpg)
Solve the equation. Show how you keep
the equation balanced.
n ÷ 8.6 = 2.15
![Page 45: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/45.jpg)
What is
n = 18.49?
![Page 46: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/46.jpg)
Solve the equation. Show how you keep
the equation balanced. -24.15 = -3.5x
![Page 47: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/47.jpg)
What is
x = 6.9?
![Page 48: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/48.jpg)
Solve the equation. Show how you keep
the equation balanced.
112.45 = -6.5v
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What is
v = -17.3?
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Find the mode and name any outliers. 10.6, 9.8, 11.6, 29.1, 11.6, 3.4, 12.7, 11.4
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What is the mode is 11.6 and the outliers
are 3.4 and 29.1?
![Page 52: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/52.jpg)
Find the median and name any outliers.
11, 12, 9, 13, 10, 12, 11, 14, 12
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What is the median is 12 and there are no
outliers?
![Page 54: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/54.jpg)
Find the median and the mode:
5.3, 5.6, 5.2, 5.0, 5.4, 5.6, 5.1, 5.0
![Page 55: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/55.jpg)
What is the median is 5.25 and the
modes are 5.0 and 5.6?
![Page 56: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/56.jpg)
Find the mean and the median:
2, 3, 6, 2, 8,
9, 5, 10, 4, 5
![Page 57: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/57.jpg)
What is the mean is 5.4 and the median is 5?
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Find the difference between the median
and the mean.
6.4, 4.4, 7.1, 6.8
![Page 59: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/59.jpg)
What is
6.6 - 6.175 = 0.425?
![Page 60: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/60.jpg)
Use the formula d = rt to find the distance if
you travel 22.5mph for 3 hours.
![Page 61: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/61.jpg)
What is 67.5 miles?
![Page 62: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/62.jpg)
Use the formula A = lw to find the area of a rectangle with a length of 0.8meters and a width of 0.3 meters.
![Page 63: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/63.jpg)
What is
(0.8)(0.3) = 0.24m2?
![Page 64: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/64.jpg)
Use the formula F = 1.8C + 32 to
change -34° Celsius to °F
![Page 65: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/65.jpg)
What is
1.8(-34) + 32 = -29.2°F?
![Page 66: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/66.jpg)
Use the formula p = 2l + 2w to find the perimeter of a
rectangle with a length of 2.3yds and a width of 1.9yds
![Page 67: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/67.jpg)
What is
2(2.3) + 2(1.9) = 8.4yds?
![Page 68: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/68.jpg)
How fast was a car going if it travels 51.25 miles in 2.5 hours. Use
the formula d = rt.
![Page 69: Rounding and Metric conversions Estimating Equations (add & subtract)](https://reader035.vdocuments.mx/reader035/viewer/2022062517/56649f1e5503460f94c352c6/html5/thumbnails/69.jpg)
What is
51.25 = r(2.5)
51.25 ÷ 2.5 = r(2.5) ÷ 2.5
r = 20.5?