Evaluate numerical expressions with rational numbers using the order of operations.
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Evaluate the following numerical expressions.
$${-2(5+(3)(-2)+4)}$$
$${-2((5+3)(-2+4))}$$
$${-2(5+3(-2+4))}$$
Can the parentheses in any of these expressions be removed without changing the value of the expression?
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Modified by The Match Foundation, Inc.An expression is shown below with three expressions that are not equivalent to it. Explain the error(s) that were made in writing each expression, then evaluate the expression.
$$\frac{6-3(4-8)}{2(1+2)^2}$$ | ||
$$\neq \frac{3(-4)}{2(3)^2}$$ | $$\neq \frac{6-3(-4)}{(6)^2}$$ | $$\neq \frac{6-12}{(2+4)^2}$$ |
Evaluate: $${\frac{1}{2}(-3-1)^2-\left ( 10 \div \frac{5}{6} \right )}$$
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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Evaluate the expression below. For each successive expression you write, explain what you did to create an expression equivalent to the expression before.
$${\frac{2-3(4-6)^2}{\frac{1}{2}}}$$
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