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1.) Evaluate the expression for x=4 and y = 3 using GEMDAS and/or Properties. Explain each step. = x + y + 4 - 5 2.) Evaluate the expression for x=4 and y = 3 using GEMDAS and/or Properties. Explain each step. = 20 x + 3y + 17 3.) Write the phrase as an expression, and select the best answer choice: 9 less than a number y. 9y y-9 9+y 9÷y 4.) Write the phrase as an expression, and select the best answer choice. A number n plus the difference of 8 and n. n + (8÷n) n + (8-n) 8n÷n 8n + n 5.) What property is shown below? Explain you answer choice. 4 + m = m + 4 Identity Property of Addition Commutative Property of Addition Associative Property of Addition Distributive Property 6.) What property is shown below? Explain you answer choice. 8 (1) = 8 Identity Property of Multiplication Commutative Property of Addition Associative Property of Multiplication Distributive Property 7.) What property is shown below? Explain you answer choice. 3(x + 4) = 3x + 12 Identity Property of Addition Commutative Property of Addition Associative Property of Addition Distributive Property of Multiplication Over Addition 8.) What property is shown below? Explain you answer choice. 6•(3•w) = (6•3)•w Identity Property of Multiplication Commutative Property of Multiplication Associative Property of Multiplication Distributive Property of Multiplication over Addition9.) Simplify the expression, and explain each step. (Select the best answer choice.) 1 4 • g • 8 4g 1•g or g 2÷g 2g 10.) Simplify the expression, and explain each step. (Select the best answer choice.) 5n + 18.5 - 3n + 2.5 24n 2n + 21 3n + 21 23n 11.) Pizzas are on sale today. The price is only $5 for each pizza purchased.
Write an expression to calculate your cost using the variable n for the number of pizzas you purchase:
Now use your expression to fill in the table:
Number of Pizzas (n) 10 2 3 $ $ $ Total Cost ($) .00 .00 .00 |