WorksheetsDecimal System Review
Total questions: 19
Worksheet time: 11mins
Name
Class
Date
1.
The expanded form of a number is shown below:
(3 x 10) + (2 x 1) + (6 x 0.1) + (4 x 0.01) + (8 x 0.001)
Which of the following shows the number in standard form?
(3 x 10) + (2 x 1) + (6 x 0.1) + (4 x 0.01) + (8 x 0.001)
Which of the following shows the number in standard form?
a)
326.408
b)
32.648
c)
302.648
d)
326.048
2.
If you multiply 0.73 by 2.52, how many times would you move the decimal?
a)
2
b)
3
c)
4
d)
5
3.
Which of the following is a correct comparison?
a)
4.3 < 4.033
b)
4.033 > 4.303
c)
4.003 = 4.3
d)
4.33 > 4.303
4.
What is 13.235 rounded to the nearest hundredth?
a)
13.2
b)
13.24
c)
13.3
d)
13.23
5.
Which expression is equivalent to 34?
a)
3+3+3+3
b)
4+4+4
c)
4x4x4
d)
3x3x3x3
6.
Which expression is in expanded form?
a)
53
b)
5x5x5
c)
125
d)
53
7.
70 is equivalent to:
a)
7
b)
0
c)
1
d)
1/7
8.
Simplify the expression x5x7
a)
x35
b)
x12
c)
x2
d)
x-2
9.
Simplify (24)(25)
a)
220
b)
49
c)
420
d)
29
10.
(2m4)(5m2)
a)
10m6
b)
10m8
c)
7m6
d)
7m8
11.
40
a)
0
b)
1
c)
4
d)
-4
12.
a + a + a + a
a)
a + 4
b)
4a
c)
a to the fourth power
d)
4a + 4
13.
Simplify the expression: 3x + 2x
a)
5x
b)
x
c)
6x
d)
5
14.
Simplify the expression: 2x + 1 + 7x
a)
10x
b)
10
c)
9x + 1
d)
9 + 1x
15.
Simplify the expression: 7v + 2 + 12 + 2v
a)
23
b)
23v
c)
9 + 14v
d)
9v + 14
16.
2(4 + 9w)
a)
8+9w
b)
2+9
c)
8+18w
d)
2+9w
17.
Simplify by combining like terms:
5a + 2b - 3a + 4
5a + 2b - 3a + 4
a)
8a + 2b + 4
b)
2a + 2b + 4
c)
8ab
d)
4ab + 4
18.
1.) Simplify
(2a2b4z)(6a3b2z5)
(2a2b4z)(6a3b2z5)
a)
8a5b6z6
b)
12a6b8z5
c)
12a5b6z6
d)
8a6b8z5
19.
What is our weekly Khan Academy goal? SELECT ALL THAT APPLY
a)
50% in 3rd grade math
b)
100% in 3rd grade math
c)
50% in 7th grade math
d)
50% in 6th grade math
e)
PAST DUE: MAKE SURE YOU HAVE 100% IN EARLY MATH
100 %
