Lesson 1.12-Algebra Grouping Symbols

Evaluate the numerical expression.

 $30-\left[\left(9\times2\right)-\left(3\times4\right)\right]$  

Evaluate the numerical expression.

 $\left[\left(25-11\right)+\left(15-9\right)\right]\div5$  

Evaluate the numerical expression.

 $8\ \times\left\{\left[\left(7+4\right)\times2\right]-\left[\left(11-7\right)\times4\right]\right\}$  

Evaluate the numerical expression.

 $\left\{\left[\left(8-3\right)\times2\right]+\left[\left(5\times6\right)-5\right]\right\}\div5$  

Joan has a cafe. Each day, she bakes 24 muffins. She gives away 3 and sells the rest. Each day, she also bakes 36 bagels. She gives away 4 and sells the rest. Write an expression to represent the total number of muffins and bagels Joan sells in 5 days.

Evaluate your expression from the Joan's cafe question.

 $5\ \times\left[\left(24-3\right)\ +\ \left(36-4\right)\right]$  

What is the value of the expression?

 $30\ +\left[\left(6\div3\right)+\left(3+4\right)\right]$  

What is 1/10 of 200?

Vidal bought 2 pizzas and cut each into 8 slices. He and his friends ate 10 slices. Write an expression to match the words.

What is the value of the underlined digit in 785,549,201?