Standard #: MA.3.NSO.1.4


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Round whole numbers from 0 to 1,000 to the nearest 10 or 100.


Examples


Example: The number 775 is rounded to 780 when rounded to the nearest 10.

Example: The number 745 is rounded to 700 when rounded to the nearest 100.



Related Courses

Course Number1111 Course Title222
5012050: Grade Three Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))
7712040: Access Mathematics Grade 3 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5012055: Grade 3 Accelerated Mathematics (Specifically in versions: 2019 - 2022, 2022 and beyond (current))
5012015: Foundational Skills in Mathematics 3-5 (Specifically in versions: 2019 - 2022, 2022 and beyond (current))


Related Access Points

Access Point Number Access Point Title
MA.3.NSO.1.AP.4 Round whole numbers from 0 to 1,000 to the nearest 100 with visual support.


Related Resources

Formative Assessments

Name Description
Rounding to the Nearest 10

Students round one- to four-digit numbers to the nearest 10.

The Smallest and Largest Numbers Possible

Student are asked to find the smallest and largest possible numbers that will round to given values.

Rounding to the Nearest Hundred

Students round two-, three-, and four-digit numbers to the nearest hundred.

Mystery Number Rounding Problem

The student determines the value of a number which when rounded to the nearest 10 and to the nearest 100 is 300.

Lesson Plans

Name Description
What Decade is It? - Rounding Whole Numbers to the Nearest 10

In this lesson, students will tap prior knowledge of place value and dimes to round numbers to the nearest 10. Students will use number lines with tick marks in increments of 10 to visualize the closer decade and then progress to using the place value of numerals to round to the tens place. Pairs of students will participate in a rounding activity using a number line.

Rounding Round and Round

In this lesson, students will gain fluency with rounding numbers to the nearest 10s and 100s place. The lesson has number lines to help students understand rounding.

Round the Number Line

The focus of this lesson is to find the halfway point and use it to round numbers.  The lesson rounds numbers 0 to 100 to the nearest ten and 0 to 1000 to the nearest ten and hundred. 

How Did the Baby Chick Cross the Road to Rounding?

In this lesson, students will engage in tellling jokes and doing outside activities to discover rounding concepts. Students will use a vertical number line to round numbers from 0 to 1,000.

How Many Seeds in a Pumpkin?

In this hands-on math exploration, students will use knowledge of estimation and multiplication to develop strategies for estimating how many seeds are in a medium-sized pumpkin.

Rounding Relay

This lesson uses a relay game  to provide students with practice for their rounding skills.

Original Student Tutorials

Name Description
Rounding Whole Numbers Part 2: To the Nearest Hundred

Help Barkley learn to round numbers to the nearest hundred and bury delicious bones in this dog-themed, interactive tutorial.

Click HERE to open "Rounding Whole Numbers Part 1: To the Nearest Ten" 

Rounding Whole Numbers Part 1: To the Nearest Ten

Help Barkley learn how to round numbers to the nearest ten with this interactive tutorial.

Rounding Party

Learn how to round two-, three-, and four-digit numbers to the nearest 10 or 100 in this party-themed, interactive tutorial.

Student Resources

Original Student Tutorials

Name Description
Rounding Whole Numbers Part 2: To the Nearest Hundred:

Help Barkley learn to round numbers to the nearest hundred and bury delicious bones in this dog-themed, interactive tutorial.

Click HERE to open "Rounding Whole Numbers Part 1: To the Nearest Ten" 

Rounding Whole Numbers Part 1: To the Nearest Ten:

Help Barkley learn how to round numbers to the nearest ten with this interactive tutorial.

Rounding Party:

Learn how to round two-, three-, and four-digit numbers to the nearest 10 or 100 in this party-themed, interactive tutorial.



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