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Gr. 7- Integer Unit Final

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Last updated about 5 years ago
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Question 1
1.

Complete this statement.

Question 2
2.

Use tiles to show how you would subtract.

(–3) − (–2)

Question 3
3.

Which addition equation is modeled by the number line.

Question 4
4.

Add. Show your work if needed.

Question 5
5.

Let one white tile represent +1 and one black tile represent −1.
Use tiles to subtract.
(+12) − (−5)

Question 6
6.

Use a number line to show how to subtract.

Question 7
7.

Use a number line show how to add.
(-2) + (+10)

Question 8
8.

The temperature is 15°C and drops 8°C.
Write an addition equation to calculate the final temperature. What is the final temperature?

Question 9
9.

Let one white tile represent +1 and one black tile represent −1.
You have 8 white tiles and 7 black tiles. What additional tiles do you need to model −2?

Question 10
10.

Let one white tile represent +1 and one black tile represent −1.
What sum does this set of tiles model? Write the addition equation.

Question 11
11.

A submarine at sea level dives 9 m and then another 8 m.
Write the final depth of the submarine as an integer.

Question 12
12.

Let one white tile represent +1 and one black tile represent −1.

You have 9 white tiles and 11 black tiles. What additional tiles do you need to model −9?

Question 13
13.

Bryan gets on an elevator at the 35th floor. The elevator goes down 17 floors then up 9 floors.
At what floor does it finally stop?

Question 14
14.

Let one white tile represent +1 and one black tile represent −1.
Write the integer modeled by this set of tiles.

Question 15
15.

Which number line represents this subtraction statement.
(+3) (+5)

Question 16
16.

Let one black tile represent −1.

Which subtraction equation does this diagram model.

Question 17
17.

Let one white tile represent +1 and one black tile represent −1.
What is the least number of tiles that you can remove to model −4? Show your thinking.

Question 18
18.

Draw a number line to demonstrate how you add this integer statement.
(-8) + (-9)

Question 19
19.

Use <, >, or = to complete this sentence.

Question 20
20.

Use colored tiles to find the sum of this addition statement. Be sure to have a legend that indicates which are positive tiles and which are negative tiles.
(+6) + (–4)

Question 21
21.

Which number line shows this addition statement: (+6) + (–3).

Question 22
22.

Sam owns a small business. He made a profit of $7 on Saturday and lost $10 on Sunday.

Find the total profit or loss for the weekend.

Question 23
23.

Atoms contain charged particles called protons and electrons.
Each proton has a charge of +1, and each electron has a charge of −1. A sulfur ion has 16 protons and 18 electrons.
Find the overall charge.

Question 24
24.

Let one white tile represent +1 and one black tile represent −1.
You have 9 white tiles and 7 black tiles. What additional tiles do you need to model 0?

Question 25
25.

Use a number line to subtract.
(+3) - (-9)

Question 26
26.

In a golf tournament, Joey got a score of +11 and Melissa got a score of –5.
What was their combined score?

Question 27
27.

Let one white tile represent +1 and one black tile represent −1.
What sum does this set of tiles model? Show how you would get this answer.

Question 28
28.

The graph shows the high and low temperatures in a week from Sunday to Saturday.

On which day was the difference between the high and low temperatures the greatest?

Question 29
29.

During the day the temperature was 3 degrees C. At night, the temperature dropped 9 degrees C. What was the temperature at night?

Question 30
30.

Use colored tiles to find the sum of this integer addition statement.

(+5) + (+4) + (–4)