Perfect Square?
Yes
what is 4²
16
Yes.
√49
7
What is a perfect square?
A) A shape with four equal sides
B) a number that results from multiplying an integer by itself.
C) A square
D) All of the above
square 49
7²
What is a prime number?
A numbers who factors are 1 and itself
√169
13
4 - 16, 25, 36, 49
is this true?
10² × 7² = 70²
Yes!
10² × 7² = 70² is the same as 100 X 49= 4900
√4900 = 70
How many prime numbers are between 20 and 35
3, 23, 29, 31
√81 X √25 = ?
9 X 5 = 45
True or False, 6² +14² = Perfect Square
6² +14² = 36 + 196 = 232, 232 is NOT a perfect square, so this is FALSE
(10² x 5² ) - 20² X 2 =
1700! Remember BEDMAS
Brackets first, 100 x 25 = 2500
Multiplication second, 400 x 2 = 800
Subtraction last, 2500 - 800 = 1700
-
Which number is NOT a prime number
37, 7, 3, 15, 59, 23
15 is NOT a prime number
Define square root
A square root of a number is the value that, when multiplied by itself, gives the original number
FOR ALL TEAMS Using prime factorization, tell me if 729 is a square number.
Yes! 729 is a square number,
729 is divisible by 3,
243 is divisible by 3,
81 is divisible by 3,
27 is divisible by 3 ,
9 is divisible by 3,
3 is divisible by 3.
3 x 3 x 3 = 27
Square the following numbers, you have 45 seconds
36, 121, 144, 324, 441.
6² 11² 12² 18² 21²
Is 1 a prime number?
No, 1 is not a prime number. The number 1 has only 1 factor. For a number to be classified as a prime number, it should have exactly two factors.
√625
25