AnswersBiela Math 6 - 4th 9 weeksOperations with Integers

Operations with Integers Answers

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1
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Sandy evaluated the expression below. What was Sandy’s error?

Question illustration
A
Sandy should have evaluated as –8.
Option A
B
Sandy should have not multiplied 5 and 5.
C
Sandy did not add 2 and 3 correctly.
D
Sandy should have not subtracted 3 from 6 first.
2
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What is the value of ?

Question illustration
A
–40
B
–16
C
24
D
56
3

What is the value of ?

Question illustration
A
–28
B
–3
C
3
D
15
4

What is the value of ?

Question illustration
A
–34
B
–2
C
10
D
34
5

Huda evaluated the expression below. What was Huda’s error?

Question illustration
A
Huda evaluated incorrectly.
Option A
B
Huda found the product of –3 and 9 as positive.
C
Huda subtracted –7 from 27 incorrectly.
D
Huda did not follow the order of operations.
6

Using the order of operations, what should be done first to evaluate ?

Question illustration
A
Divide 12 by 5.
B
Multiply –6 and 3.
C
Divide 12 by –6.
D
Add 3 and –2.
7

Which expression has a positive value?

A
Negative 4 + (negative 5) (negative 6) divided by (negative 3)
Option A
B
8 Left-bracket 10 divided by (2) (negative 2) Right-bracket
Option B
C
3 (negative 64 divided by 8) + 25
Option C
D
Negative 2 (negative 5) (negative 3) divided by 10
Option D
8

What is the value of ?

Question illustration
A
–4
B
–2
C
2
D
4
9

Which expression has a positive value?

A
(negative 5) (negative 9)
Option A
B
2 minus 4
Option B
C
12 divided by (negative 4)
Option C
D
Negative 3 + (negative 7)
Option D
10

What is the difference?

Question illustration
A
–17
B
–5
C
5
D
17

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