Patterns And Relations Worksheet - Grade 7 Page 15
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46Identify the numerical coefficient, the variable,
1.
and the constant term in each algebraic expression.
a) 3x
b) 5n
c) w
d) 2p
2
3
4
An algebraic expression has variable p, numerical coefficient 7,
2.
and constant term 9.
Write as many different algebraic expressions as you can
that fit this description.
Write an algebraic expression for each phrase.
3.
a) six more than a number
b) a number multiplied by eight
c) a number decreased by six
d) a number divided by four
A person earns $4 for each hour he spends baby-sitting.
4.
a) Find the money earned for each time.
i) 5 h
ii) 8 h
b) Write an algebraic expression you could use
to find the money earned in t hours.
Write an algebraic expression for each sentence.
5.
a) Double a number and add three.
b) Subtract five from a number, then multiply by two.
c) Divide a number by seven, then add six.
d) A number is subtracted from twenty-eight.
e) Twenty-eight is subtracted from a number.
6. a)
Write an algebraic expression for each phrase.
i) four more than a number
ii) a number added to four
iii) four less than a number
iv) a number subtracted from four
b) How are the expressions in part a alike?
How are they different?
18
UNIT 1: Patterns and Relations
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