LCM/GCF/Prime Factorization
What is a prime number? List 3 examples of prime numbers.
A number that has only 2 factors (1 and itself) and is greater than 1
3, 5, 7
What is 83
512
What is 0.008% as a decimal
0.00008
6 + (-6)
0
What is the LCM and GCF of 180 and 72?
LCM - 360
GCF - 36
Write 106 in standard form
10x10x10x10x10x10
What is 6% in a fraction and decimal
6/100
0.06
-8 - (-2)
-6
Is 42 x 42 a prime factorization of 256? Explain yes or no.
No, because 4 is not a prime factor. You would write it 28 as its prime factorization.
Add 102+108
1010
I go out for dinner and spend 45.89$ on my meal. Tax is 15% on that meal. I leave a 17% tip. How much am I paying total?
I pay 61.74$ for everything
-4 + 6 - 5 + (-4)
-7
Write a four digit number that is divisible by 5 and 7. Explain what you did. Write its prime factorization.
Example: 1225
52x72
A square room has an area of 169m2. If I want to buy trim to go around my room, how much do I buy? If the trim costs 2$/m, how much will it cost?
√169 = 13m
P= 13m+13m+13m+13m
P= 52m
Cost = 52m x 2$
Cost = 104$ total spent on the trim of the room
0.2% of 18
0.036 is 0.2% of 18
(10) - (-2)(+4) / 2 (-3)
-3
Write 806 087 137 in expanded form using powers of 10.
8x108+6x106+8x104+7x103+1x102+3x101+7
(-2)3x 42
-8 x 16
-128
At a theatre, 160 tickets were sold to the production of Grease 2 on Friday. The tickets sold on Saturday were 60% more than Friday. How many tickets were sold on Saturday? Sunday sold 20% of what was sold on Saturday. How many tickets were sold to the show all weekend?
Friday - 160 tickets
Saturday - 256 tickets
Sunday - 128 tickets
Total weekend - 544 tickets were sold total
Write a word problem or situation for this equation. Use money to represent the integers.
6 + 4(-6) + 3(+4) - 20