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Biblioteka

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

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

Pitanje 1
1.

Write the following equation as an addition equation.(please submit your answer in a= form)

a - 9 = 6

Pitanje 2
2.

Write the following equation as an addition equation.(please submit your answer in a= form)

a -20 = -30

Pitanje 3
3.

Write the following equation as an addition equation.(please submit your answer in a= form)

a -(-12) = 15

Pitanje 4
4.

Write the following equation as an addition equation.(please submit your answer in a= form)

a -(-7) = -10

Pitanje 5
5.

Find each difference.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

-13

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9 - 4

5

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4 - 9

-5

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9 - (-4)

13

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-9 - (-4)

5

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-9 -4

-5

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4 - (-9)

-13

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-4 - (-9)

13

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-4 - 9

Pitanje 6
6.

A restaurant bill is $59 and you pay $72.

What percentage gratuity(tip) did you pay?

Pitanje 7
7.

Find the solution to each equation mentally.

Pitanje 8
8.

Find the solution to each equation mentally.

Pitanje 9
9.

Find the solution to each equation mentally.

Pitanje 10
10.

Find the solution to each equation mentally.

Pitanje 11
11.

One kilogram is 2.2 pounds. 

Complete the table. What is the interpretation of the constant of proportionality in each case?

Pitanje 12
12.

One kilogram is 2.2 pounds. 

Complete the table. What is the interpretation of the constant of proportionality in each case?