Show:
Rules, Rules and More Rules
Welcome to the "Real World"
Factor This...
Fractions, Decimals, Percents...Oh my!
Happy Birthday to
GCF & LCM
100
What is the rule for a number to be divisible by 2?
The number is even
100
What are the numbers contained in Natural numbers?
The counting numbers...starting with 1,2,3...
100
How many factors does a prime number have?
2 different factors
100
What is the decimal and percent for 1/2?
0.5 & 50%
100
What is the GCF for 10 and 15? What is the reduced fraction of 10/15?
5; 2/3
200
What is the rule of divisibility for 5?
The number ends in a 5 or 0.
200
What is the difference between Natural numbers and Whole numbers?
Whole numbers include 0
200
What are the factors of 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
200
What is the decimal and percent for 3/4?
0.75 & 75%
200
What is the LCM for 12 & 18?
36
300
What is the divisibility rule for 6?
It must be divisible by 2 and 3
300
Negative numbers, zero, and positive numbers are called what?
Integers
300
What is the smallest and largest factor of every number? What factor does every number have in common with every other number
1 and the number itself; 1
300
What does percent mean?
out of 100
300
Why do we need to find the LCM of fractions?
So we can get a common denominator to add and subtract.
400
How would you know if the number 1,293 was divisible by 3 or 9?
Add the digits 1+2+9+3=15 and 15 is divisible by 3 so 1,293 is divisible by 3 but 15 is not divisible by 9 so 1,293 is not divisible by 9.
400
What part of the real number system include fractions, decimals, and percents?
Rational numbers
400
What are the factors for 51?
1, 3, 17, 51
400
How do you find the decimal for a fraction? What is the decimal for 3/8?
Divide the numerator by the denominator; 0.375
400
What is the GCF of 9, 27, & 45
9
500
Name all single digit numbers that the number 21,870 is divisible by and how you know
2--its even 3-- 2+1+8+7+0=18; 18 is divisible by 3 5--ends in 0 6--works for 2 & 3 9-- 2+1+8+7+0=18; 18 is divisible by 9
500
Are terminating and repeating decimals irrational number? Why or why not?
No...irrational numbers include pi; non-terminating, non-repeating decimals
500
What are the factors of 100?
1, 2, 4, 5, 10, 20, 25, 50, 100
500
What is the fraction (lowest terms) and decimal for 135%?
1 7/20; 1.35
500
What is the LCM of 8, 12 and 36
72