Uploaded by Bentley Callahan

Collecting-like-terms

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1) Simplify the following expressions:
A) y + y + y + y
B) 3a + 4a + a + 5a
C) 2e + 4e + 5e + 2e
D) 3a + b + 2b + 5a
E) 4 + 2j + 6k + 5j + 11 + k
F) m2 + 5m + 2m + 3m2 + m3
G) 9a + b – 3a + 5b
H) 6i – 9i + 3k – 4k – 5i + i
I) 5b – 3a – a + 4b – 3a + 9b
J) 6e + 7f – 9f – f + e
K) 5i – 9h + 3i – 4h – 5h + i
L) 7a + b – 7b + 2a – b + 2a - 3a
M) 9e2 + 6e + 7 + 2e + 7e2 + e2
N) 8 + 3h – 8j + h – 2j – k + 3 – 7h
O) 8a + 3b – 9b + b – 3a + 4a – 6a
2) Work out the missing expressions by adding the two terms below.
3) Write an expression for the perimeter of each of the shapes below:
A)
B)
C)
D)
4) The perimeter of the triangle is 21e + 13f. Work out the length of the missing side of the triangle, marked x.
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