Addition and Subtraction Word Problems: Estimate, Standard Algorithm
About This Product
Do you need some interesting word problems for your addition and subtraction (using numbers to 10,000) unit? Do you want to encourage your grade 3-5 students to estimate before they calculate? Do you need a way to help your students try multiple methods (along with the standard algorithm) when completing addition and subtraction word problems? This lesson has you covered!
Your Students Will:
Learn the definitions of addition, subtraction, and estimating.
Determine which operation to use (addition or subtraction) to solve a real-life word problem. The problems involve realistic scenarios around money, population, video game scores, daily step counts, and more!
Use rounding and benchmarks to estimate a solution before calculating.
Calculate the solution with the standard algorithm.
Think of another way to reach the solution: this encourages your students to attempt using multiple methods. They can share their ideas with one another.
Self-assess their skills. A simple 5-point scale is included so students can assess their competency on four different skills from the lesson. This is a great way for them to determine what they need more practice on.
How to Use:
Print a 6-page package for each student
Go over the first page as a class to review the definitions and complete the sample problem together.
Emphasize that the “other strategy” section can have many answers. See if your students can think of another way.
Let students work on the five problems in pairs or small groups.
Review the solutions, estimations, standard algorithm calculations, and multiple methods together as a class.
Ask each student to complete the self-assessment on their own.
What's Included:
8 Page PDF: Ready to Print and Use!
Teacher Instructions
Student Handout with Vocabulary and Sample Question
5-Page Student Worksheet
Answer Key
If you enjoy this lesson, check out a similar one in my store involving real-world multiplication and division word problems!
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