Writing and Evaluating Expressions with Addition and Subtraction – Practice Problems

Having fun while studying, practice your skills by solving these exercises!

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Do you need help? Watch the Video Lesson for this Practice Problem. Writing and Evaluating Expressions with Addition and Subtraction

Evaluating algebraic expressions is crucial for simplifying expressions and making algebraic expressions more meaningful. Various real-world problems like solving for the perimeter of a specific region or money-related transactions make use of evaluating algebraic expressions using addition or subtraction. Learn how to write and evaluate algebraic expressions involving addition and subtraction by helping three neighborhood kids, dressed as a witch, a scarecrow, and a pumpkin for Halloween, exchange treats in order to satisfy their favorite candy cravings. Common Core Reference: CCSS.MATH.CONTENT.6.EE.A.2

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Exercises in this Practice Problem
Determine the total number of bags of sour sweets the scarecrow has.
Establish the corresponding algebraic expression.
Find the mistakes in the calculation.
Decide how many more muffins Ben has eaten than Jerry.
Decide which keyword belongs to which operation.
Identify the unknown quantity in each word problem. Write the corresponding expression down and evaluate it.