Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10...
-
Upload
oliver-gilmore -
Category
Documents
-
view
213 -
download
1
Transcript of Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10...
![Page 1: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/1.jpg)
Write factor pairs for each number. Use divisibility tests to help you!
40 72 571 x 402 x 204 x 105 x 8
1 x 722 x 363 x 244 x 186 x 12
1 x 573 x 19
8 x 9
![Page 2: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/2.jpg)
Write factor pairs for each number. Use divisibility tests to help you!
12 201 x 122 x 63 x 4
1 x 202 x 104 x 5
1 x 3737
PRIME
![Page 3: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/3.jpg)
PRIME NUMBERS
A whole number with exactly 2 factors, 1 and itself
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
![Page 4: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/4.jpg)
Make a prime factor tree for each number.
24 60
4 6x
2 x 2 2 x 3x
6 x 10
2 x 3 2 x 5x
24 = 2 x 2 x 2 x 324 = 23 x 3
60 = 2 x 2 x 3 x 560 = 22 x 3 x 5
![Page 5: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/5.jpg)
You can use prime factorizations to find the GCF or to simplify fractions.
24 60
4 6x
2 x 2 2 x 3x
6 x 10
2 x 3 2 x 5x
2460
2 x 2 x 2 x 3
2 x 2 x 3 x 5
25
GCF
2 x 2 x 3 = 12
![Page 6: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/6.jpg)
Make a prime factor tree for each number to find the GCF.
36 54
6 6x
2 x 3 2 x 3x
6 x 9
2 x 3 3 x 3x
36 = 2 x 2 x 3 x 3
54 = 2 x 3 x 3 x 3
GCF
2 x 3 x 3 = 18
![Page 7: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/7.jpg)
Make prime factor trees for each number. Use the prime factorizations to find the GCF and to simplify the fraction.
40 56
4 10x
2 x 2 2 x 5x
2 x 28
2 x 2
4 x 7
4056
2 x 2 x 2 x 5
2 x 2 x 2 x 7
57 GCF
2 x 2 x 2 = 8
= =
![Page 8: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/8.jpg)
List the factors of 15.
151 x 153 x 5
List the multiples of 15.
15, 30, 45, 60, 75, …
![Page 9: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/9.jpg)
List the first 5 multiples of each number.
12 12, 24, 36, 48, 60
16, 32, 48, 64, 8016
24 24, 48, 72, 96, 120
![Page 10: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/10.jpg)
Use the LCM to get a common denominator.
12 12, 24, 36, 48, 60
16, 32, 48, 64, 8016
24 24, 48, 72, 96, 120
7 12
5 16
48
48
=
=
28
15
![Page 11: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/11.jpg)
Use the LCM to get a common denominator.
12 12, 24, 36, 48, 60
16, 32, 48, 64, 8016
24 24, 48, 72, 96, 120 9 24
5 16
48
48
=
=
18
15
![Page 12: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/12.jpg)
Use the LCM to get a common denominator.
12 12, 24, 36, 48, 60
16, 32, 48, 64, 8016
24 24, 48, 72, 96, 120
5 12
11 24
24
24
=
=
10
11
![Page 13: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/13.jpg)
List the factors of 32.
321 x 32
2 x 16
4 x 8
![Page 14: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/14.jpg)
Make a prime factor tree for 32.
32 32
4 8x
2 x 2 2 x 4
2 x 16
2 x 2
4 x 4
32 = 2 x 2 x 2 x 2 x 2
32 = 25
2 x 2 2 x 2x
![Page 15: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/15.jpg)
Use the prime factorization to simplify
12 32
2 6x
2 x 3
2 x 16
2 x 2
4 x 4
12 = 2 x 2 x 3
2 x 2x
12 32
32 = 2 x 2 x 2 x 2 x 23 8
What is the GCF?
4
![Page 16: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/16.jpg)
List factor pairs to find the GCF.
18 301 x 182 x 93 x 6
1 x 302 x 153 x 105 x 6
Use the GCF to simplify: 18 30
÷ 6÷ 6
GCF = 6
3 10
![Page 17: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/17.jpg)
Write the expressions using exponents.
2 x 3 x 3 x 5 x 5 =
5 x 5 x 5 x 7 x 7 =
2 x 32 x 52
53 x 72
![Page 18: Write factor pairs for each number. Use divisibility tests to help you! 407257 1 x 40 2 x 20 4 x 10 5 x 8 1 x 72 2 x 36 3 x 24 4 x 18 6 x 12 1 x 57 3 x.](https://reader036.fdocuments.in/reader036/viewer/2022072005/56649ccf5503460f9499b1ef/html5/thumbnails/18.jpg)
Find the LCM.
8 8, 16, 24, 32, 40
10, 20, 30, 4010
3 8
4 10
40
40
=
=
15
16