WorksheetsReal Number System and Algebraic Expressions Vocabulary
Total questions: 35
Worksheet time: 38mins
Name
Class
Date
1.
-4(k - 7)
a)
-4k + 28
b)
-4k - 28
c)
4k + 28
d)
4k - 28
2.
5(a + 6)
a)
5a + 6
b)
a + 30
c)
5a + 30
d)
5a - 30
3.
Use the distributive property to write an equivalent expression.
3(x + 4)
3(x + 4)
a)
3x + 4
b)
3x + 7
c)
3x + 12
d)
x + 7
4.
Which of the following properties describes the mathematical expression?
6 + 7 + 2 = 2 + 6 + 7
6 + 7 + 2 = 2 + 6 + 7
a)
Associative
b)
Distributive
c)
Commutative
d)
Identity
5.
Which of the following properties describes the mathematical expression?
2 ( a - 3 ) = 2a - 6
2 ( a - 3 ) = 2a - 6
a)
Associative
b)
Distributive
c)
Commutative
d)
Identity
6.
Which of the following properties describes the mathematical expression?
(a + 31) + b = a + (31 + b )
(a + 31) + b = a + (31 + b )
a)
Associative
b)
Distributive
c)
Commutative
d)
Identity
7.
Which answer is equivalent to the following statement?
2x + 14h - 5h + 4x + 7
2x + 14h - 5h + 4x + 7
a)
22xh
b)
16xh - 1hx + 7
c)
15hx + 7
d)
6x + 9h + 7
8.
What is the reciprocal of 3 52
a)
3 25
b)
65
c)
517
d)
175
9.
Find the reciprocal of 7
a)
71
b)
17
c)
1 71
d)
77
10.
What is the reciprocal of 87 ?
a)
1
b)
1614
c)
78
d)
87
11.
What is the reciprocal of
(a)
12.
What is an integer?
a)
A whole number
b)
A fraction
c)
A negative number only
d)
Negative and positive whole number and 0
13.
A rational number can be written as a fraction.
a)
True
b)
False
14.
-14 could NOT be which type of number?
a)
Integer
b)
Whole
c)
Rational
15.
Does this graphic organizer correctly group the numbers?
a)
Yes
b)
No
16.
Explain the error
a)
-1.2 isn't an integer.
b)
-2 isn't a whole number and 3.4 isn't a rational number.
c)
-2 isn't a whole number and -1.2 isn't an integer.
d)
The numbers are graphed correctly.
17.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
18.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
19.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
20.
¿En cuál imagen hay cinco cosas?
a)
b)
c)
d)
21.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
22.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
23.
Which number is irrational?
a)
9.6
b)
√45
c)
3/8
d)
3.4 x 10 ⁵
24.
7.94 x 106
a)
Rational
b)
Irrational
25.
Which number is irrational?
a)
0.416
b)
-8/5
c)
∛64
d)
√27
26.
√81
a)
Rational
b)
Irrational
27.
4 is the __________ of 4n.
a)
equation
b)
variable
c)
coefficient
d)
solution
28.
What is the coefficient of x?
8 + 5x - y
8 + 5x - y
a)
8
b)
0
c)
5
d)
-5
29.
What is the coefficient:
4 - 2y
a)
2
b)
4
c)
-2
d)
0
30.
Which expression includes 2 coefficients?
a)
2x - 4
b)
8x + 2
c)
23f - 9 + 16
d)
3h + 5j -4
31.
things that are being multiplied or divided in an expression
a)
term
b)
variable
c)
factor
d)
coefficient
32.
A math statement that says that 2 things are equal
a)
Expression
b)
Equation
33.
What are the factors of:
4 - 2y
a)
-2 & y
b)
4
c)
4; -2 & y
d)
4, -2y
34.
How many factors does the following term have:
-9xyz
a)
4
b)
-9
c)
3
d)
1
35.
things that are being added or subtracted in an expression
a)
term
b)
variable
c)
factor
d)
coefficient
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