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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 5 - Lesson 9

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"Source: Open Up Resouces (Download for free at openupresources.org.)"

Pitanje 1
1.

Fill in the missing numbers in these equations

Pitanje 2
2.

Fill in the missing numbers in these equations

Pitanje 3
3.

Fill in the missing numbers in these equations

Pitanje 4
4.

Fill in the missing numbers in these equations

Pitanje 5
5.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:

in 2 hours?

Pitanje 6
6.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:

in 5 hours?

Pitanje 7
7.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

If it continues fall at this rate, what will the temperature be:

in half an hour?

Pitanje 8
8.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

What was the temperature:

1 hour ago?

Pitanje 9
9.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

What was the temperature:

3 hours ago?

Pitanje 10
10.

A weather station on the top of a mountain reports that the temperature is currently 0oC and has been falling at a constant rate of 3oC per hour. Find each temperature.

What was the temperature:

4.5 hours ago?

Pitanje 11
11.

Find the value of each expression.

Pitanje 12
12.

Find the value of each expression.

Pitanje 13
13.

Find the value of each expression.

Pitanje 14
14.

Find the value of each expression.

Pitanje 15
15.

Find the value of each expression.

Pitanje 16
16.

If the stylist needs to make 20 oz of dye, how much of each dye color is needed?

Pitanje 17
17.

If the stylist needs to make 100 oz of dye, how much of each dye color is needed?

Pitanje 18
18.

Here are the vertices of rectangle FROG:(-2,5),(-2,1),(6,5),(6,1). Find the perimeter of this rectangle

Pitanje 19
19.

Find the area of the rectangle FROG. (From Problem 18.)

Pitanje 20
20.

Here are the vertices of rectangle PLAY:(-11,20),(-11,-3),(-1,20),(-1,-3). Find the perimeter of this rectangle