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Impossible multiplication

Total questions: 19

Worksheet time: 14mins

Name
Class
Date
1.
What is the answer?
a)
number 4
b)
number 3
c)
This one
d)
The other one
2.
Why?
a)
I don't know
b)
i do know
c)
Nobody knows
d)
Green elephants
3.
What is pi rounded to the nearest integer?
a)
A number
b)
3.14
c)
I don't know
d)
3
4.
Which answer is right?
a)
right
b)
Correct
c)
this one is wrong
d)
correct
5.

Dessine la stratégie que vous appliquez pour décider si la réponse est positive ou négative lorsque vous calculez une multiplication ou une division des nombres entiers.

6.

Quelle multiplication est représenté par le schéma ?

a)

(-4) x (-2) = (-8)

b)

(-2) x (+4) = (-8)

c)

(-4) x (-2) = (+8)

d)

(-4) x (+2) = (-8)

7.

Quelle multiplication est représenté par le schéma ?

a)

(-2) x (-3) = (+6)

b)

(-2) x (+3) = (-6)

c)

(+2) x (+3) = (+6)

d)

(+2) x (-3) = (-6)

8.

Quelle multiplication est représenté par le schéma ?

a)

(+3) x (+2) = (+6)

b)

(-3) x (+2) = (-6)

c)

(+3) x (-2) = (-6)

d)

(-3) x (-2) = (+6)

9.
35 = y - 3
a)
-38
b)
-4
c)
32
d)
38
10.
3x + 7
The variable is:
a)
7
b)
3
c)
x
d)
-4
11.
x + 4 = -3
a)
-1
b)
4
c)
-7
d)
8
12.
-10k = 50
k =
a)
-500
b)
-5
c)
-7
d)
3
13.

What is the value of Probability of impossible event?

a)

1

b)

0.5

c)

-1

d)

0

14.

Choose all correct options..

a)

P(A∪B)=P(A)+P(B)-P(A∩B) if A and B are not disjoint

b)

P(A∪B)=P(A)+P(B)-P(A∩B) if A and B are disjoint

c)

P(A∪B)=P(A)+P(B) if A and B are not disjoint

d)

P(A∪B)=P(A)+P(B) if A and B are disjoint

15.

Choose the correct one if B⊂A

a)

P(A∩B̅)=P(A)

b)

P(A∩B̅)=P(A)-P(B)

c)

P(A∩B̅)=P(A)+P(B)

d)

P(A∩B̅)=P(A).P(B)

16.
The inverse operation of addition is _______________.
a)
Division
b)
Multiplication
c)
Addition
d)
Subtraction
17.
To solve one-step equations, you have to use the ________________ operation.
a)
Integer
b)
Inverse
c)
Additive
d)
Subtractive
18.
In an equation, you want to get the variable...
a)
on one side
b)
to disappear
c)
by itself
d)
to sing and dance
19.
When you solve one-step equations, you can do anything you want to one side of the equal sign, as long as...
a)
it is mathematical
b)
you do the SAME thing to the other side
c)
solving equations is impossible
d)
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