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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 5 - Lesson 2

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

Pitanje 1
1.

The temperature is -2oC. If the temperature rises by 15oC, what is the new temperature?

Pitanje 2
2.

At midnight the temperature is -6oC. At midday the temperature is 9oC. By how much did the temperature rise?

Pitanje 3
3.

Complete each statement with a number that makes the statement true.

(Find the way to make every statement true with the given numbers.)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

4oC

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_____ <7oC

5oC

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_____ <-3oC

-8oC

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-0.8oC< _____ <-0.1oC

-0.7oC

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_____ >-2oC

Pitanje 4
4.

Draw a diagram to represent each of these situations. Then write an addition expression that represents the final temperature.

The temperature was 80oF and then fell 20oF.

Pitanje 5
5.

Draw a diagram to represent each of these situations. Then write an addition expression that represents the final temperature.

The temperature was -13oF and then rose 9oF.

Pitanje 6
6.

Draw a diagram to represent each of these situations. Then write an addition expression that represents the final temperature.

The temperature was -5oF and then fell 8oF.

Pitanje 7
7.

Does the following table demonstrate a possible proportional relationship?

Pitanje 8
8.

Does the following table demonstrate a proportional relationship?

Pitanje 9
9.

Noah was assigned to make 64 cookies for the bake sale. He made 125% of that number. 90% of the cookies he made were sold.

How many of Noah's cookies were left after the bake sale? (Round to the lowest whole number)