Integers Flashcards

1
Q

Integers are whole numbers on either side of zero, including zero itself, -2 means (2 below zero).

A

True

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2
Q

Adding a positive number makes the original number ____

A

LARGER
For Example:
2 + 5 = 7
-2 + 5 = 7

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3
Q

Adding a negative number makes the original number ____

A

SMALLER
For Example:
2 + -5 = -3
-2 + -5 = -7

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4
Q

Subtracting a positive number makes the original number ____

A

SMALLER
For Example:
2 - 5 = -3
-2 - 5- = -7

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5
Q

Subtracting a negative number makes the original number ____

A

LARGER
For Example:
2 - -5 = 7
-2 - -5 = 3

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6
Q

-3 + 4

A

1

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7
Q

3 + -2

A

1

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8
Q

-4 + -3

A

-7

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9
Q

-2 - 1

A

-3

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10
Q

3 - -2

A

5

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11
Q

-2 - -5

A

3

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12
Q

2 + 5

A

7

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13
Q

6 - 8

A

-2

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14
Q

Pos x Pos =

A

Positive

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15
Q

Pos x Neg =

A

Negative

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16
Q

Neg x Pos =

A

Negative

17
Q

Neg x Neg =

A

Posative

18
Q

5 x 3

A

15

19
Q

6 x -4

A

-24

20
Q

-2 x 8

A

-16

21
Q

-3 x -9

A

27

22
Q

The rules for dividing integers is exactly the same as multiplying.

A

True

23
Q

6 / 3 =

A

2

24
Q

15 / -5 =

A

-3

25
Q

-21 / 3 =

A

-7

26
Q

-20 / -4 =

A

5

27
Q

The four operations are?

A

Multiplying, Dividing, Adding and Subtracting.

28
Q

If a calculation has Multiplying, Dividing, Adding and Subtracting Which order should it be worked out in?

A

first x or divison

then + or -

29
Q

What if a calculation has (brackets)

A

The brackets should be worked out first!

30
Q

3 x (5 + 4) = is the same as…

A

3 x 9 = 27

31
Q

5 x 18 / 3 = is the same as…

A

5 x 6 = 30

32
Q

(1 - 4) x (5 - 2) = is the same as…

A

-3 x 3 = -9

33
Q

20 + 4 / -8 = is the same as…

A

24 / -8 = -3