Writing and Evaluating Basic Algebraic Expressions

Match each question to the correct algebraic expression sum of x and 8 x + 8 product of s and 10 10s subtract 9 from b b - 9 j divided by 22 j 12 decreased by r 12 - r Match each phrase with the correct algebraic expression. h multiplied by 5 5h 10 larger than x 10 + x 9 less than f f - 9 triple y 3y n divided by by 4 n quadruple t 4t There are x students trying out for the leading role in the play at drama club. Only 7 students will be chosen. How many students will not be chosen? Choose the correct expression to match this scenario. x - 7 7 - x x + 7 x + 7 = 7 There are g students who volunteered to wipe tables at lunch. The principal said she wishes she had five times as many volunteers. How many volunteers would the principal like to have? Choose the correct expression to match this scenario. g + 5 g 5g 5 - g Evaluating Expressions Watch the video and evaluate the expressions below. Solve the following problems. Write the answers in the spaces below. 1) y - 8 (y = 10) = 22) 94 + u (u = 12) =1063) 6y (y = 7) = 424) 27 (x = 3) = 95) g + 16 ( g= 37) = 53 Johnny is b years old. If Angelica is 4 years older than her brother Johnny, how old is Angelica? Write your answer to the word problems in the form of an algebraic expression.