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DO YOU REMEMBER?
Test Description: We must do this review the first days in 2 ESO. So, we know if they remember some thing that explained in 1 ESO
Instructions: Answer all questions to get your test result.
1) 1. What is a “whole” or “counting” number?
A
A integer number
B
A prime number
C
A composite number
D
A natural number
2) 2. A _____ number is a number greater than one whose factors are only one and itself
A
Composite
B
Prime
C
Factor
D
Whole
3) 3. A ______ is an integer that exactly divides a given integer
A
Prime factor
B
Primer
C
Composite
D
Factor
4) 4. What is a prime factorization of a number?
A
To express sum of number
B
To list out all its factors
C
To list out all its prime factors
D
To express the number as the product of its prime factors
5) 5. N divides by 5 leaves a remainder
A
N is a multiple of 5
B
N is a factor of 5
C
N is not a multiple of 5
D
N is a multiple of 3
6) 6. The Least Common Multiple (LCM).
A
LCM(3,6) = 1
B
LCM(3,6) = 6
C
LCM(3,6) = 0
D
LCM(3,6) = 18
7) 7. The Greatest Common Factor (GCF).
A
GCF(3,4) = 1
B
GCF(3,4) = 4
C
GCF(3,4) = 24
D
GCF(3,4) = 12
8) 8. In order to add or subtract fractions, they have to have the same ________.
A
Bottom number
B
Top number
C
Denominator
D
Numerator
9) 9. To cancel down a fraction
A
To divide the numerator and denominator by its LCM
B
To divide the numerator and denominator by its GCF
C
To multiply the numerator and denominator by its LCM
D
To multiply the numerator and denominator by its GCF
10) 10. Simplify 4/12
A
2/6
B
1/2
C
1/3
D
2/3
*select an answer for all questions
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