What shape to we use to make a list of all factors of a number
What is "T" chart
100
215
Is it divisible by 2, 3, or 5? PROVE IT!
What is
215 /2 = no, it is not an even number
215/3 = no, add the digits and you get 8, which is not a multiple of 3
215/5 is YES- it ends in a 0 or 5, so it's divisible by 5
100
A prime number ONLY has the factors of ____ and itself.
What is: 1
for Example: 5 is a prime number because its only factors are 1x5
100
The top number of a fraction is called the ____________.
The 3 is the __________ in 3/4
What is NUMERATOR
200
First five multiples of 6
What are
6, 12, 18, 24, 30.....
200
List all the factors of 16 in a T-Chart
What are
16
1x16
2x8
4x4
200
510
Divisible by 2, 3 or 5?
What is
2= Yes, it is an even number
3= Yes, add 5+1+0=6, which is a multiple of 3
5= Yes, it ends in a 0 or 5, so it's a multiple of 5
200
Use a Factor T-chart to show that 12 is a composite number.
What is
12
1x12
2x6
3x4
There are 3 factor pairs that equal to 12, so 12 is a composite number.
200
The bottom number in a fraction is called the ____________.
The 4 in 3/4 is called this.
What is: denominator
300
First five factors of 11
What are
11, 22, 33, 44, 55...
300
List all the factors of 28 using a T-Chart
What are
28
1x28
2x14
4x7
300
900
Divisible by 2, 3, or 5?
What is:
2= Yes, because it's an EVEN number
3= YES, because 9+0+0=9, which is a multiple of 3
5= YES, because it ends in a 0 or 5
300
19
Prime or composite. Make a Factor T-Chart to prove it.
What is:
PRIME
19
1x19
300
Show 4 1/2 as an improper fraction. Show ALL steps.
What is: 9/2 (nine halves)
400
There are ________ multiples and only a few factors
What is "many"
There are MANY multiples and just a FEW Factors
400
List all the factors of 24 by using a T-Chart
What are:
24
1x24
2x12
3x8
4x6
400
413 Divisible by 2, 3 or 5?
What is:
2= NO, it's an odd number
3= NO, 4+1+3=8, which is NOT a multiple of 3
5= NO, it must end in a 0 or 5 to be a multiple of 5
400
25
Prime or Composite
Make a T-Chart to PROVE It
What is: composite
25
1x25
5x5
400
173 x 3=
SHOW ALL WORK
What is
519
500
Name the first 5 multiples of 100
What are
100, 200, 300, 400, 500...
500
What factors do the numbers 18 and 30 have in common? First make a T-chart for both, then circle the factors they have in common.
What are:
18:
1x18
2x9
3x6
30
1x30
2x15
3x10
5x6
In common: 1, 2, 3 & 6
500
5,115
Is it divisible by 2, 3 or 5
What is
2: NO, it's an odd number
3= YES, 5+1+1+5= 12, which is a multiple of 3
5= YES, it ends in a 0 or 5.
500
100
Prime or composite? Make a Factor T-Chart to PROVE it.
What is: Composite
100
1x100
2x50
4x25
5x20
10x10
500
5 x (3+1) + 3 x9=
What is
5 x (3+1) + 3 x 9=
5 x 4 + 3 x 9=
20 + 27=
47