The document contains instructions for assignment 52 that is due on Tuesday February 21st and mentions a test. It then provides a warm-up section with 4 math problems involving simplifying expressions, comparing measurements using conversion between inches and centimeters, solving an equation, and writing a division problem as a mixed number and decimal. The main section provides examples of simplifying various mathematical expressions using the order of operations.

1. Assignment:
1-->Set 52 (evens) - Due Tuesday (2/21)
2-->Test signed??
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2. Lesson 52 Warm-Up:
1) Simplify: 52 + 3 3 + 64
2) Compare: 40 in. 100 cm
[ 1 in. = 2.54 cm]
3) Solve: 12 w
15 2.5
4) Divide 70 by 9 and write the answer as a mixed number.
5) Divide 70 by 9 and write the answer as a decimal number with a
bar over the repetend.
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3. Lesson 52:
FYI...
Order of Operations-->Please -->
Excuse -->
My Dear -->
Aunt Sally -->
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4. Lesson 52 Examples:
Simplify.
A) 5 + 5 5 - 5 5
B) 50 - 8 5 + 6 3
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5. C) 24 - 8 - 6 2 4
D) 23 + 32 + 2 5
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6. Evaluate.
E) ab - bc, if a = 5, b = 3, and c = 4
F) ab + a/c, if a = 6, b = 4, and c = 2
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7. G) x - xy, if x = 2/3 and y = 3/4
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