Download Chapter 1 Test 2 Debrief.notebook

Chapter 1 Test 2 Debrief.notebook
October 27, 2015
List the factor pairs of the number.
26
1 x 26, 2 x 13 or 1 2 13 26 or 1, 26; 2, 13
32
1 x 32, 2 x 16, 4 x 8 or 1 2 4 8 16 32 or 1, 32; 2, 16; 4, 8
21
1 x 21, 3 x 7
45
1 x 45, 3 x 15, 5 x 9 or 1 3 5 9 15 45 or 1, 45; 3, 15; 5, 9
or 1 3 7 21
or 1, 21; 3, 7
Chapter 1 Test 2 Debrief.notebook
Write the prime factorization of the number.
40 2 x 2 x 2 x 5
33
3 x 11
51
3 x 17
120 2 x 2 x 2 x 3 x 5
October 27, 2015
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Find the GCF of the numbers
12, 32
27, 39
12: 1, 2, 3, 4, 6, 12
12: 2 x 2 x 3
32: 1, 2, 4, 8, 16, 32
32: 2 x 2 x 2 x 2 x 2
27: 1, 3, 9, 27
27: 3 x 3 x 3
39: 1, 3, 13, 39
39: 3 x 13
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Find the GCF of the numbers
18, 78
9, 42, 47
18: 1, 2, 3, 6, 9, 18
18: 2 x 3 x 3
78: 1, 2, 3, 6, 13, 26, 39, 78
78: 2 x 3 x 13
9: 1, 3, 9
9: 3 x 3
42: 1, 2, 3, 6, 7, 14, 21, 42
42: 2 x 3 x 7
57: 1, 3, 19, 57
57: 3 x 19
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Find the LCM of the numbers
6, 12, 18, 24, 30
6, 15
15, 30
6: 2 x 3
15: 3 x 5
LCM = 2 x 3 x 5
8, 18
8, 16, 24, 32, 40, 48, 56, 64, 72
18, 36, 54, 72
8: 2 x 2 x 2
18: 2 x 3 x 3
LCM = 2 x 2 x 2 x 3 x 3
Chapter 1 Test 2 Debrief.notebook
Find the LCM of the numbers
9, 18, 27, 36
9, 12
12, 24, 36
3, 16, 20
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
33, 36, 39, 42, 45, 48, 51, 54, 57, 60
63, 66, 69, 72, 75, 78, 81, 84, 87, 90
93, 96, 99, 102, 105, 108, 111, 114, 117, 120
123, 126, 129, 132, 135, 138, 141, 144, 147, 150
153, 153, 159, 162, 165, 168, 171, 174, 177, 180
183, 186, 189, 192, 195, 198, 201, 204, 207, 210
213, 216, 219, 222, 225, 228, 231, 234, 237, 240
October 27, 2015
9: 3 x 3
12: 2 x 2 x 3
LCM = 3 x 2 x 2 x 3
3: 3
16: 2 x 2 x 2 x 2
20: 2 x 2 x 5
LCM = 2 x 2 x 2 x 2 x 3 x 5
16, 32, 48, 64, 80, 96, 112, 128, 144, 160
176, 192, 208, 224, 240
20, 40, 60, 80, 100, 120, 140, 160, 180,
200, 220, 240
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Add or subtract. Write the answer in simplest form.
2
7
37
8
+
+
2
3
2
=
6
21
35
3
= 3
40
10
+
+
14
=
21
20
21
2 12 = 5 47 = 6 7
40
40
40
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Add or subtract. Write the answer in simplest form.
7
8
32
9
-
-
15
7
5
6
=
14
3
=
63
21
24
-
-
20
=
24
1 45 = 2 77
63
63
1
24
-
32
45
1
=
1
63
63
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Hamburger patties come in packages of 10, hamburger buns come in
packages of 12, and slices of cheese come in packages of 15. What
is the fewest number of cheeseburgers that can be made with no
leftover patties, buns, or cheese?
10, 20, 30, 40, 50, 60
10: 2 x 5
12, 24, 36, 48, 60
12: 2 x 2 x 3
15, 30, 45, 60
15: 3 x 5
LCM = 2 x 2 x 3 x 5
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
You have 64 inches of blue fabric and 96 inches of green fabric.
You want to cut the fabric into pieces of equal length with no
leftovers. What is the greatest length of pieces you can make?
64: 1 x 64, 2 x 32, 4 x 16, 8 x 8
64: 2 x 2 x 2 x 2 x 2 x 2
96: 1 x 96, 2 x 48, 3 x 32, 4 x 24, 6 x 16, 8 x 12
96: 2 x 2 x 2 x 2 x 2 x 3
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
Two runners begin running laps around a one-mile track at the same
time. The first runner completes a mile every 6 minutes and the
second runner completes a mile every 8 minutes. After how long will
the first runner lap the second runner?
6, 12, 18, 24
6: 2 x 3
8, 16, 24
8: 2 x 2 x 2
LCM = 2 x 2 x 2 x 3
Chapter 1 Test 2 Debrief.notebook
October 27, 2015
A town received 2 3/4 inches of rain one day and 5 2/5 inches the
next day. How many inches of rain fell in the town over two days?
23
4
+
52
5
= 2
15
20
+
5 8 = 7 23 = 8 3
20
20
20