Mathmatics Flashcards
(142 cards)
1
Q
9.2 + 7.55
A
16.75
2
Q
2.258 + 64.58
A
66.838
3
Q
892.2 + 56
A
948.2
4
Q
22 + 3.26
A
25.26
5
Q
8.5 + 7.55 + 14
A
30.05
6
Q
18 - 7.55
A
10.45
7
Q
31.84 - 2.430
A
29.41
8
Q
21.36 - 8.79
A
12.57
9
Q
Bill has 2.5 vacation days left for the rest of the year and 1.25 sick days left. If Bill uses all of his sick days and his vacation days, how many days will he have off work?
A
3.75
10
Q
Erin has 6.25 peach pies. She gives Rose 3.75 of the peach pies. How many pies does Erin have left?
A
2.5
11
Q
0.003 x 4.23
A
0.01269
12
Q
98.26 x 8
A
786.08
13
Q
8.03 x 2.1
A
16.863
14
Q
250.1 x 25
A
6252.5
15
Q
0.1364 x 2.11
A
0.287804
16
Q
8.23 x 4
A
32.92
17
Q
0.058 x 64.2
A
3.7236
18
Q
794.23 x .001
A
0.79423
19
Q
Jenny lost 3.2 lb each month for 6 months. How much weight has Jenny lost?
A
19.2
20
Q
Richard wants to make 2.5 batches of sugar cookies. One batch calls for 1.75 cups of sugar. How many cups of sugar will Richard need for 2.5 batches of cookies?
A
4.375
21
Q
48 ÷ 0.4
A
120
22
Q
144 ÷ 0.6
A
240
23
Q
3.75 ÷ 0.4
A
9.375
24
Q
56.2 ÷ 0.2
A
281
25
2.6336 ÷ 0.32
8.23
26
591 ÷ 0.3
1,970
27
0.72 ÷ 0.8
0.9
28
0.132 ÷ 0.11
1.2
29
Stewart has 56 acres of land. He wants to divide the land into plots of 0.25 acres. How many plots of land will Stewart have after he divides the 56 acres?
224
30
Donna has 4.2 liters of fertilizer. If each pecan tree needs 0.7 liters of fertilizer and Donna uses all of the fertilizer, how many pecan trees does Donna have?
6
31
1/2 + 5/12
1/2
32
7/21 + 10/21
17/21
33
1/2 + 4/5
1 3/10
34
5/7 + 3/14
13/14
35
4/5 + 6/7
1 23/35
36
7 1/8 + 2 4/12
9 11/24
37
5 2/9 + 1 2/9
6 4/9
38
12 1/21 + 3 1/3
15 8/21
39
Mary is going to make a birthday cake. She will need 1 2/3 cups of sugar for the cake and 2 1/2 cups of sugar for the frosting. How many cups of sugar will Mary need for the frosted birthday cake?
4 1/6
40
Greg is installing crown molding on two sides of a room. The length of one wall is 11 3/4 feet. The length of the other wall is 13 7/8 feet. How much crown molding will Greg install in the room?
25 5/8
41
3/20 - 2/20
1/20
42
28/37 - 17/37
11/37
43
17/25 - 3/5
2/25
44
31/54 - 5/9
1/54
45
1 9/10 - 1/5
1 7/10
46
15 7/18 - 3/9
15 1/18
47
25 1/7 - 12 5/7
12 3/7
48
30 1/2 - 13 3/4
16 3/4
49
Alan is making a table. The table will be 6 1/2 feet long and 4 feet wide. The board for the table is 7 7/8 feet long and 4 feet wide. How much of the board will Alan need to cut off?
1 3/8 feet
50
McKenna has 1 2/3 cups of milk. She gives Mark 3/4 cups of milk to make a cake. How much milk will McKenna have left?
11/12 cups
51
3/5 x 2/3
2/5
52
7/9 x 1/9
7/81
53
6 x 4/5
4 4/5
54
1 2/5 x 5
7
55
2 1/7 x 1 3/4
3 3/4
56
4 4/5 x 1 4/6
8
57
3 1/3 x 2
6 2/3
58
1 8/12 x 4 1/2
7 1/2
59
Alec has six friends who each give him 2 3/4 pieces of gum. How many pieces of gum does Alec have now?
16 1/2
60
Rick rides 11 1/8 miles in an hour with his bike in second gear going uphill. If rick rides downhill in forth gear he goes 2 1/2 times faster. How many miles will Rick go in an hour downhill in forth gear.
27 13/16
61
4/5 ÷ 1/7
5 3/5
62
12/15 ÷ 3/5
1 1/3
63
7/8 ÷ 1/6
5 1/4
64
1 ÷ 1/5
5
65
8 ÷ 1/4
32
66
2 1/4 ÷ 1/4
9
67
10 ÷ 3 1/3
3
68
12 1/3 ÷ 2
6 1/6
69
Danny has 11 1/4 cups of chocolate syrup. He is going to make chocolate sundaes for his friends. Each sundae will have 3/4 cup of chocolate. How many sundaes can Danny make?
15
70
Jenny has 8 1/3 yards of ribbon. She is making bows for her bridesmaids. Each bow has 5/6 yard of ribbon. How many bridesmaids does Jenny have for her wedding?
10
71
Change into decimal and round to the nearest thousandth.
| 1/5
0.2
72
Change into decimal and round to the nearest thousandth.
| 2/5
0.4
73
Change into decimal and round to the nearest thousandth.
| 3/8
0.375
74
Change into decimal and round to the nearest thousandth.
| 4/5
0.8
75
Change into decimal and round to the nearest thousandth.
| 1/3
0.333
76
Change into decimal and round to the nearest thousandth.
| 1 1/2
1.5
77
Change into decimal and round to the nearest thousandth.
| 3/10
0.3
78
Change into decimal and round to the nearest thousandth.
| 2 7/8
2.875
79
Change into decimal and round to the nearest thousandth.
| 11 11/15
11.733
80
Change into decimal and round to the nearest thousandth.
| 11/25
0.44
81
Write the decimals into fractions and reduce to lowest common denominator.
0.08
2/25
82
Write the decimals into fractions and reduce to lowest common denominator.
0.025
1/40
83
Write the decimals into fractions and reduce to lowest common denominator.
0.125
1/8
84
Write the decimals into fractions and reduce to lowest common denominator.
0.17
17/100
85
Write the decimals into fractions and reduce to lowest common denominator.
0.3
3/10
86
Write the decimals into fractions and reduce to lowest common denominator.
2.75
2 3/4
87
Write the decimals into fractions and reduce to lowest common denominator.
7.07
7 7/100
88
Write the decimals into fractions and reduce to lowest common denominator.
12.0001
12 1/10000
89
Write the decimals into fractions and reduce to lowest common denominator.
3.48
3 12/25
90
Write the decimals into fractions and reduce to lowest common denominator.
0.275
11/40
91
Change fractions into ratios
| 22/91
21:91
92
Change fractions into ratios
| 19/40
19:40
93
Solve for x
| 7:5 :: 91:x
x=65
94
Solve for x
| 7:9 :: x:63
x=49
95
Solve for x
| x:15 :: 120:225
x=8
96
Solve for x
| 15:x :: 3:8
x=40
97
360:60 :: 6:x
x=1
98
x:81 :: 9:27
x=27
99
John buys 3 bags of chips for $4.50. How much will it cost John to buy five bags of chips?
x=$7.50
100
The recipe states that 4 cups of sugar will make 144 cookies. How many cups of sugar are needed to make 90 cookies?
x=2.5
101
Change decimals into percents
| 0.98
98%
102
Change decimals into percents
| 0.0068
0.68%
103
Change decimals into percents
| 0.09
9%
104
Change percents into decimals
| 58%
0.58
105
Change percents into decimals
| 76.3%
0.763
106
Change percents into decimals
| 0.03%
0.0003
107
Change fractions into percents
| 9/10
90%
108
Change fractions into percents
| 4/5
80%
109
Change fractions into percents
| 1/6
16.667%
110
Change fractions into percents
| 3/8
37.5%
111
What is 15 out of 75 as a percent?
20%
112
What is 2 out of 50 as a percent?
4%
113
What is 20 out of 100 as a percent?
20%
114
What is 28% of 100?
28
115
What is 95% of 20?
19
116
What is 15.5% of 600?
93
117
The number 2 is 20% of what number?
10
118
The number 65 is 25% of what number?
260
119
The number 9 is 20% of what number?
45
120
The number 44 is 25% of what number?
176
121
Convert regular time into military time.
| 12:00 AM
0000 hours
122
Convert regular time into military time.
| 3:30 PM
1530 hours
123
Convert regular time into military time.
| 11:19:45 AM
1119:46 hours
124
Convert regular time into military time.
| 8:22:54 PM
2022:54 hours
125
Convert regular time into military time.
| 4:27:33 PM
1627:33 hours
126
Convert regular time into military time.
| 2:22:22 AM
0222:22 hours
127
Convert military times into regular time.
| 0603:45 hours
6:03:45 AM
128
Convert military times into regular time.
| 1200:00 hours
12:00 PM
129
Convert military times into regular time.
| 15:16:42 hours
3:16:42 PM
130
Convert military times into regular time.
| 16:18:00 hours
4:18 PM
131
Convert military times into regular time.
| 10:33:29 hours
10:33:29 AM
132
Convert military times into regular time.
| 21:11:34 hours
9:11:34 PM
133
xm = 2m if x=-2 and m=-3
12
134
2abc - 3ab if a=2 b=-3 and c=4
-30
135
-x (y+z) if x=4 y=-3 and z=-5
32
136
-k + h +kh if k=-5 and h=-2
13
137
- (a-b)(a-bc) if a=3 b=-4 and c=2
-77
138
3x-5=10
x=5
139
-2x-2=14
x=-8
140
2y+3=12
y=9/2 or 4 1/2 or 4.5
141
4x+5=-19
x=-6
142
-5=6m-1
m= -2/3
