# Subtraction Problem Solving For Grade 3

Although the answer helps me, the teacher, understand whether or not the student understood the relationship of the numbers, I want students to be able to explain their process and understand the depth of word problems. Those two things work in tandem but are very different.

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These quick and easy elapsed time word problems are perfect for parents and teachers who want to help students practice elapsed time to the nearest minute with simple mental math problems. Let your children keep track of their schedule and ask them to figure the elapsed time for each activity.

For example, how long did your child spend eating breakfast, reading, taking a bath, or playing video games?

Use that information to create a word problem that's relevant to your child's life, such as, "It's p.m.

now and the pizza shop says the pizza will be here at p.m. " Order a set of time dice from online retailers or teacher supply stores.

Below are five math problem-solving strategies to use when teaching word problems using any resource. It also keeps students from solving the problem before we talk about the relationship of the numbers.

## Subtraction Problem Solving For Grade 3 How Do Assumptions Relate To The Critical Thinking Process

When I teach word problems, I give students problems with blank spaces and no numbers. We identify whether something is being added to or taken from something else. We identify what we have to solve and set up the equation with blank spaces and a square for the unknown number ___ ___ = unknown Do you want a free sample of the word problems I use in my classroom? Only after we have discussed the problem do I give students numbers. At the beginning of the year, we all do the same numbers, so that I can make sure students understand the process.

I talk more in depth about why it doesn’t work in The Problem with Using Keywords to Solve Word Problems.

You can read more about the Addition & Subtraction Word Problems Resource that I use in my classroom in this blog post. Removing the distraction of the numbers helps students focus on the situation of the problem and understand the action or relationship of the numbers.

Elapsed time is the amount of time that passes between the beginning and the end of an event.

The concept of elapsed time fits nicely in the elementary school curriculum.