Unit 1: Patterns And Relations Worksheets - Grade 7 Mathematics - L. Clemens Page 14
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31Grade 7 Mathematics
Unit 1: Patterns and Relations
Just as we can write expressions for sentences, we can write sentences (words) for
expressions:
Example 3:
a) 13p ____________________________________________________________________________________
b) m + 12 _________________________________________________________________________________
c) p/2 _____________________________________________________________________________________
d) 3k + 6 __________________________________________________________________________________
e) 16 – n/2 _______________________________________________________________________________
We can evaluate an expression for a given value, by “plugging” a value in where you
see the variable.
Example 4:
Evaluate each expression assuming that n = 4.
a) 4n = 4 (4) = 16
b) 12/n =
c) 14 – n =
d) n + 8 =
e) 2n + 7 =
f) 28 – 24/n =
L. Clemens
Page | 14
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