Transcript Beveled Slide Style

5 + 15 ÷ 5 × 2
Order of operations are a
set of rules that
mathematicians have
agreed to follow to avoid
mass CONFUSION when
simplifying mathematical
expressions or equations.
Without these simple, but
important rules, learning
mathematics would be
maddening.
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"Purple Elephants May Destroy A School"
Parenthesis or grouping
symbols ( ), [ ], or { }.
Exponents 3² or 5³.
Multiply or divide from left to
right.
Add or subtract from left to
right.
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5 + 15 ÷ 5 × 2
Click correct answer!
"Purple Elephants May Destroy A School"
Simplify (show each step, one step at a time).
1) 17 – 2 + 3
2)
1 + 6 (9 + 1)
3) 9 + 8 • 2 + 4
4)
[ 3 (5) + 1 ] • 2
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"Purple Elephants May Destroy A School"
Compare. Use <, >, or =. Show each step.
8 + 12 ÷ 4 ___ ( 8 + 12) ÷ 4
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"Purple Elephants May Destroy A School"
Insert grouping symbol to make each
sentence true.
a)
4 • (6 – 2) + 7 = 23
b) 10 ÷ (3 + 2) • 4 = 8
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"Purple Elephants May Destroy A School"
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Go on!
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Try again!
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