Font size
WorksheetsCompetency Test 3
Total questions: 50
Worksheet time: 42mins
What does 67 mean?
6+6+6+6+6+6+6
7x7x7x7x7x7
6x6x6x6x6x6x6
74
47
x4
7x
It is a method for writing an expression that shows a certain term multiplied to itself many times.
Exponent
Base
Exponential Notation
Algebraic Expression
It tells how many times the base is used as a factor.
Exponent
Base
Algebraic Expression
Exponential Notation
Write 10 x 10 x 10 x 10 x 10 x 10 x 10 in exponential notation.
105
106
107
1010
Write an expression in exponential form, given the base and the exponent.
base = 3, exponent = 7
37
73
(3)(3)(3)(3)(3)(3)(3)
(7)(7)(7)
The exponential notation 24 is read as____________.
two fourth
four squared
two to the fourth power
fourth squared
In equation of 42 = 16, which number is the EXPONENT?
4
2
16
None of the above
__________ are numbers whose only factors are one and itself.
Prime numbers
Composite numbers
Fractions
Integers
Which of the following statements is TRUE?
One is a prime number
One is a composite number
One is neither prime or composite
One has an infinite number of factors
_______ is a number that has more than two factors.
composite number
prime number
factors
product
Which of the following is not a prime number?
53
67
87
97
Which of the following is a composite number?
56
27
38
All of the above
Sum of all the prime numbers between 1 and 11.
(a)
What is the sum of all the prime numbers found in the picture?
(a)
True or False
572 is divisible by 2
True
False
To which number is 510 divisible to?
Only 2
2, 5 and 10
2 and 5 only
none
Yes or No
A number that is divisible by 4 is always divisible by 2.
Yes
No
Yes or No
A number that is divisible by 3 is always divisible by 9.
Yes
No
Yes or No
A number that is divisible by 2 is always divisible by 4.
Yes
No
Yes or No
A number that is divisible by 5 is always divisible by 10.
Yes
No
Check all the numbers that are divisible by 5 and 10.
10,500
20,005
12,430
11,901
Which of the following numbers is NOT divisible by 3 and 9?
12,361
3,942
24,003
16,371
Which of the following numbers is divisible by 12?
17,712
19,007
41,000
3,485
Which of the following is INCORRECT?
A number is divisible by 4 if the last 2-digit is zero or a multiple of 4
A number is divisible by 6 if it is both divisible by 2 and 3
A number is divisible by 3 if it ends with 0 or 5
A number is divisible by 8 if the last 3 digits are zero or is divisible by 8
How will you know that a number is divisible by 12?
The last digit is divisible by 2
The number is both divisible by 2 and 3
The number is both divisible by 3 and 4
The last two digits are zero
Which of the following numbers is divisible by 8?
2,124
3,000
4,500
1,871
Which of the following numbers is NOT divisible by 4?
10,024
7,312
5,890
2,100
To which numbers does 5,080 is divisible to?
Choose all that applies.
2
3
4
5
6
What is the GCF of 16, 24, and 30?
2
4
6
8
What is the GCF of 24, 36, and 48?
4
6
8
12
What is the GCF of 16 and 18?
(a)
What is the greatest common factor of 12 and 20?
(a)
What are the factors of 25?
1, 2, 3, 5, 10, 15, 25
1, 2, 25
1, 5, 25
1, 5
What is the GCF of 35 and 42?
(a)
Which set of numbers can be divided exactly by 3?
3, 6, 16
9, 12, 22
12, 21, 30
9, 11, 12
What is a greatest common factor?
It is the highest number that divides the given numbers with a remainder.
It is the highest number that divides the given numbers without a remainder.
It is the least number that divides the given numbers without a remainder.
It is the least number that divides the given numbers with a remainder.
What does GCF mean?
(a)
LCM(3, 8) =
16
24
32
48
LMC(10, 6) =
30
60
50
40
What is the Least Common Multiple of 10 and 48?
240
260
480
140
5. What is the LCM of 2,4, and 6?
A. 18
B. 12
C. 22
D. 10
Find the prime factorization of 8
2x4; 2x4
2x2x2; 23
1x8; 18
Find the prime factorization of 20
4x5; 41x51
2x2x2x2x2; 25
2x2x5; 22x5
