Measurement

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4th Grade Math › Measurement

Questions 1 - 2

1

Fill in the missing piece of the table.

Screen shot 2015 09 01 at 10.22.55 am

Explanation

To solve this problem we can set up a proportion and cross multiply to solve for our unknown.

$\frac{1hr}{60 min}=\frac{3hr}{x}$

First we cross multiply.

Then we divide each side by to isolate the .

$\frac{1hr(x)}{1hr}=\frac{3hr(60m)}{1hr}$

2

Fill in the missing piece of the table.

Screen shot 2015 09 01 at 9.24.25 am

$300\textup,000$

$3\textup,000$

$30\textup,000$

$3000\textup,000$

Explanation

To solve this problem we can set up a proportion and cross multiply to solve for our unknown.

$\frac{1km}{100\textup,000 cm}=\frac{3km}{x}$

First we cross multiply.

$1km(x)=3km(100\textup,000cm)$

Then we divide each side by to isolate the .

$\frac{1km(x)}{1km}=\frac{3km(100\textup,000cm)}{1km}$

$x=300\textup,000 cm$

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