Rounding and Metric conversions

Estimating

Equations (add &

subtract)

Equations (multiply &

divide)

Mean, Median and

Mode

Using Formulas

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Using Formulas

Rounding and Metric conversions

EstimatingEquations

(add & subtract)

Equations (multiply &

divide)

Mean, Median &

Mode

Round to the underlined place of the underlined

digit 741.45380

What is 741.454?

Round to the underlined place of the underlined

digit 617.496286

What is 617.5?

Convert the following:

45km = ? m

What is

45,000m?

Convert the following:

35.45cL = ? hL

What is

0.003545hL?

Convert the following:

4,255,025mg = ? kg

What is 4.255025kg?

Estimate (round to the nearest hundred):

5,635.21 – 751.02

What is

4,800?

Estimate (use clustering):

121.26 + 118.99 + 120.25 + 123.11 + 119.06

What is 600?

Estimate (round to the nearest tenth):

5.87 + 3.2012

What is 9.1?

Estimate (round to the nearest hundred):

785 x 321

What is 240,000?

Estimate (use compatible numbers):

34,321 ÷ 677

What is

50?

Solve the equation. Show how you keep the

equation balanced.

k – 19 = -4.8

What is

n = 14.2?

Solve the equation. Show how you keep

the equation balanced.

-22.034 + n = -14.734

What is

n = 7.3?

Solve the equation. Show how you keep the

equation balanced.

-57.847 = b + (-29.8)

What is

b = -28.047?

Solve the equation. Show how you keep the

equation balanced.

r – (-5.1) = -5.36

What is

r = -10.46?

Solve the equation. Show how you keep

the equation balanced.

6.7 = n – (-24.3)

What is

n = -17.6?

Solve the equation. Show how you keep

the equation balanced. k ÷ 3.9 = -0.187

What is

k = -0.7293?

Solve the equation. Show how you keep the

equation balanced.

-3.6p = 3.6

What is

p = -1?

Solve the equation. Show how you keep

the equation balanced.

n ÷ 8.6 = 2.15

What is

n = 18.49?

Solve the equation. Show how you keep

the equation balanced. -24.15 = -3.5x

What is

x = 6.9?

Solve the equation. Show how you keep

the equation balanced.

112.45 = -6.5v

What is

v = -17.3?

Find the mode and name any outliers. 10.6, 9.8, 11.6, 29.1, 11.6, 3.4, 12.7, 11.4

What is the mode is 11.6 and the outliers

are 3.4 and 29.1?

Find the median and name any outliers.

11, 12, 9, 13, 10, 12, 11, 14, 12

What is the median is 12 and there are no

outliers?

Find the median and the mode:

5.3, 5.6, 5.2, 5.0, 5.4, 5.6, 5.1, 5.0

What is the median is 5.25 and the

modes are 5.0 and 5.6?

Find the mean and the median:

2, 3, 6, 2, 8,

9, 5, 10, 4, 5

What is the mean is 5.4 and the median is 5?

Find the difference between the median

and the mean.

6.4, 4.4, 7.1, 6.8

What is

6.6 - 6.175 = 0.425?

 

Use the formula d = rt to find the distance if

you travel 22.5mph for 3 hours.

What is 67.5 miles?

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.

What is

(0.8)(0.3) = 0.24m2?

Use the formula F = 1.8C + 32 to

change -34° Celsius to °F

What is

1.8(-34) + 32 = -29.2°F?

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

What is

2(2.3) + 2(1.9) = 8.4yds?

How fast was a car going if it travels 51.25 miles in 2.5 hours. Use

the formula d = rt.

What is

51.25 = r(2.5)

51.25 ÷ 2.5 = r(2.5) ÷ 2.5

r = 20.5?