Problem 1 · 2009 Math Kangaroo
Easy
Arithmetic & Operations
order-of-operations
\(2 \times 9 + 200 + 9 = {?}\)
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Answer: E — 227
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Hint 1 of 2
Do the multiplication before the additions.
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Hint 2 of 2
Then just add the three numbers in any order.
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Approach: evaluate the expression with order of operations
- First multiply: 2 × 9 = 18.
- Now add: 18 + 200 + 9.
- 18 + 9 = 27, and 27 + 200 = 227.
- So the value is 227.
Mark:
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