Module 8: Round NumbersMath 2A  Course Guide
Module Overview:
In this module, students will round numbers to the nearest 10, use a number line to round to the nearest 10, round numbers to the nearest 10 in numbers up to 1,000, round to the nearest 10, 100, or 1,000, estimate the sum of an addition sentence, and round the addends of an addition sentence.
Module Materials:
Lesson #  Lesson Title  Material(s) 

1  Round to the Nearest 10 from 0100  Counter; 
2  Rounding to the Nearest 10 from 01,000  Round cereal (cheerios); 
3  Rounding to the Nearest 100, 11,000  Raisins; 
4  Round to the Nearest 10, 100, or 1,000  Scissors; 
5  Estimate Sums  Round cereal (Cheerios); 
Module Objectives:
Lesson #  Lesson Title  Objective(s) 

1  Round to the Nearest 10 from 0100 

2  Rounding to the Nearest 10 from 01,000 

3  Rounding to the Nearest 100, 11,000 

4  Round to the Nearest 10, 100, or 1,000 

5  Estimate Sums 

Module Key Words:
Key Words 

Round Number line Benchmark numbers Whole tens Benchmark number Thousand chart Estimate 
Module Assignments:
Lesson #  Lesson Title  Page #  Assignment Title 

1  Round to the Nearest 10 from 0100  4  HandsOn 
2  Rounding to the Nearest 10 from 01,000  4  HandsOn 
3  Rounding to the Nearest 100, 11,000  4  HandsOn 
4  Round to the Nearest 10, 100, or 1,000  4  HandsOn 
5  Estimate Sums  4  HandsOn 
Learning Coach Notes:
Lesson #  Lesson Title  Notes 

1  Round to the Nearest 10 from 0100  Ask your student to explain to you what rounding is, what a benchmark number is, and how to round using a number line. 
2  Rounding to the Nearest 10 from 01,000  Ask your student to explain to you benchmark numbers. 
3  Rounding to the Nearest 100, 11,000  Ask your student to explain to you what they learned about rounding in this lesson. 
4  Round to the Nearest 10, 100, or 1,000  Ask your student to describe the tools they have learned about to help them round numbers. 
5  Estimate Sums  Ask your student to explain how to use estimation when adding numbers. 
Module Guiding Questions:
When a student starts a lesson ask them questions to check for prior knowledge and understanding and to review concepts being taught. At the end of the lesson ask the questions again to see if their answer changes.
Lesson Title  Question 

Round to the Nearest 10 from 0100 

Rounding to the Nearest 10 from 01,000 

Rounding to the Nearest 100, 11,000 

Round to the Nearest 10, 100, or 1,000 

Estimate Sums 

Module Video Questions:
When a student watches a video take time to ask them questions about what they watched. Suggested questions for the videos in this module are listed here. Suggestion: Have the student watch the entire video first all the way through. Then have them watch the video a second time, as they watch it pause the video and ask the questions.
Lesson Title  Video  Question 

Round to the Nearest 10 from 0100  Round to the Nearest 10 from 0100 

Rounding to the Nearest 10 from 01,000  Rounding to the Nearest 10 from 01,000 

Module Suggested Read Aloud Books:
Take time to read to your student or have them read aloud to you. Read a different book each day. While reading the book point out concepts being taught. You may purchase these books or find them at your local library. Suggested things to discuss while reading the book:
 What is the main idea?
 What are three things new you learned?
 How does this book relate to what you are learning about?
#  Book  Author  Lexile Level 

Module Outing:
Take some time to apply what your student is learning to the real world. Suggested outings are below.
#  Outing 
