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Showing Results for rounding three digit : Page 16

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Addition with Regrouping

Engage students in comparing three-digit numbers by playing a fun game. Through this lesson, students will gain hands-on experience with using their knowledge of place value to compare numbers. 


Making Bigger & Smaller Numbers

Learn your way around rounding with this essential worksheet!

Round to the Nearest 10 Using Number Lines #1

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Subtraction with Decomposition

Use this lesson to support students in understanding the symbols used to record numbers. This lesson can be used alongside Comparing Three-Digit Numbers or as a standalone, scaffolded EL support lesson.

Which Number is the Greatest?

Get your students working with place value and comparing two-digit numbers using symbols for greater than, less than, or equal to.

Greater Than, Less Than, Equal To Game: Two-Digit Numbers

Solving three-digit subtraction problems can be tricky, but place value blocks make it easier! Students learn to apply their knowledge of place value to make solving subtraction problems a breeze.

Subtraction: Place Value Blocks

Hone your rounding skills with this helpful worksheet!

Round to the Nearest 10 Using Number Lines #2

On the road to advanced math, make a stop at estimation station! This worksheet will help your child practice making "guesstimations" about length.

Rounding Measurements

It’s time to learn a new strategy! Teach your students to use the partial quotients strategy to solve long division problems with one-digit divisors and no remainder.


Using the Partial Quotients Strategy for Division with One-Digit Divisors

With this pastry themed lesson, your students will apply addition strategies to solve two-step, three-digit addition word problems. Finding the solutions will be sweet!

Sweet Solutions

Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.

Decomposing and Adding Place Values

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Addition Within 1000 Check-in

Use this quick assessment to gauge your second grader’s growth in subtraction this year. Students will put their skills to the test subtracting three-digit numbers using a strategy of their choosing in this math check-in.

Subtraction Within 1000 Check-in

Use this lesson to introduce the tool of base-ten blocks to your students. This scaffolded EL support lesson can be used as a stand-alone activity, or prior to teaching Three-Digit Addition with Base-Ten Models.

Base-Ten Blocks

Practice solving multiplication problems using the partial product method!

Multiplying Using Partial Products: 4-Digit by 1-Digit

The monsters are exhausted from their marathon, but they don't know who the big winner is. Can your second grader use his subtraction skills to find out?

2 Digit Subtraction

On this third grade math worksheet, kids round to estimate the difference between two numbers, a useful strategy for checking the results of calculations.

Rounding: Magical Math!

Try using the partial products method to solve multiplication problems with this helpful worksheet!

Multiplying Using Partial Products: 2-Digit by 1-Digit

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

Mixed Operation Word Problem Check-in

Learners practice estimating and finding the quotient in this two-page division worksheet.

Two-Digit Divisors

With this movement-integrated lesson, students will use their energy to practice three-digit addition on a number line! Part of this lesson is designed for the outdoors, but the activities can easily be brought inside on a rainy day.


Hop! Hop! Hop!: Strategic Number Lines

Challenge students to talk about rounded numbers to the millions place value. Use this lesson as a standalone lesson or as support to the lesson Numbers All A-Round.

Rounding Roundtable

Do you feel like your students are on a merry-go-round when it comes to rounding? This lesson will give your student control of the “ride” and give them tools to use when rounding.

Round and Round We Go

Young writers respond to three relatable prompts in this three-page nonfiction writing exercise.

Opinion Paragraphs

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Discussing Subtraction Strategies

Teach your students to round to the thousands place using number lines. 

Rounding with Number Lines

What would you wish for if you had the chance? This writing prompt is a fun way to get beginning writers using their creativity.

Three Wishes

Help your students understand place values with this lesson that catches their interest using a story book. Students will go one to play a riddle game both in a group and individually.

Place Value: Digit Game

Learners will read and interpret three types of nonfiction text features in this three-page practice worksheet.

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