GCF & LCM
What is a factor
number you multiply
when +- decimals you need to...
line up decimals
what is rule for a number to be divisible by 2?
ends in 0,2,4,6,8
What is 45 in standard form?
1024
What 2 colors make purple?
red and blue
How many branches of government are there?
3
Finding multiples is like...
skip counting
3 steps to multiplying decimals
1. times like normal. 2. count decimal spots. 3. move decimal to the left.
What is rule for a number to be divisible by 3?
sum of digits is divisible by 3
What is 54 in expanded form?
5x5x5x5
How many layers to the earth?
4
How many months have 30 days in them?
4
what is GCF of 42 and 16?
2
3.21 x 9.8
31.458
What is rule for a number to be divisible by 5?
ends in a 5 or 0
when multiplying with powers of ten you...
move decimal to the right how many zeros
How many years are you in school?
13
How many zeros does quadrillion have?
15
What is LCM of 5 and 8?
40
expanded form of 32.046
30+2+0.04+0.006
IS 51 a prime number?
When dividing by powers of 10 you....
move decimal to the left how many zeros
How many bones in your body? (within 10)
206
How tall is the statue of liberty? (within 25 feet)
305 feet
If you mow your lawn every 4 days and water your garden every 3 days, how many days will pass when until you do them on the same day?
12 days
What is 8.316 divided by 3.3?
2.52
What is the property that says the order of adding numbers doesn't matter?
commutative proprty
What is 16 in exponential form?
24
How many countries are in the world? (within 10)
195
What year did the U.S. declare independence?
1776