Solving Multi-Step Decimal Word Problems
Solving Multi-Step Decimal Word Problems is a Grade 5 math skill in Eureka Math where students solve real-world problems involving two or more decimal operations including addition, subtraction, multiplication, and division, organizing their work with equations and checking answers for reasonableness. This applied skill synthesizes all decimal computation learned in Grade 5.
Key Concepts
Solving multi step word problems involves translating the problem's context into a sequence of mathematical operations. The solution is found by performing these operations in the correct order: $$(\text{Step 1 Operation}) \rightarrow (\text{Step 2 Operation}) \rightarrow \text{Final Answer}$$.
Common Questions
What is a multi-step decimal word problem?
A multi-step decimal problem requires two or more operations with decimal numbers to reach the answer. For example, a problem might ask you to find the total cost of several items with decimal prices and then calculate the change from a payment.
What strategies help with multi-step decimal problems?
Read carefully to identify all given values and what is being asked. Write an equation or series of equations for each step. Estimate first to check that your final answer is reasonable.
What decimal operations are covered in Grade 5?
Grade 5 students add, subtract, multiply, and divide decimals to hundredths, including operations involving multi-digit decimals and two-digit divisors in real-world contexts.
How do you check if a decimal answer is reasonable?
Round the decimals to the nearest whole numbers or to one decimal place, perform the operations mentally, and compare the estimate to the exact answer. Large discrepancies indicate an error.