Understanding the Base 10 System

Elissa Fah introduces Unit 3.1, focusing on mastering basic numbers and calculations. The unit covers the base 10 number system, place value, and strategies for addition and subtraction within a thousand. Students will learn to round numbers, identify patterns, and solve problems using various strategies. The unit includes tasks like creating and comparing numbers, writing math stories, and a milestone task to anticipate student responses and misconceptions. The goal is to enhance students' number sense and understanding of place value.

When is the unit on mastering basic numbers and calculations expected to start?

• End of September

• First week of school

• Mid-September

• Second week of school

What is the main idea of the unit?

• Exploring the solar system

• Mastering basic numbers and calculations

• Learning about shapes

• Studying animals

What is the primary focus of the base 10 number system?

• Organizing numbers by shape

• Organizing numbers by size

• Organizing numbers by place and value

• Organizing numbers by color

What is the role of place value in this unit?

• To make math harder

• To replace addition and subtraction

• To organize numbers by place and value

• To confuse students

Which strategy is used to round numbers in this unit?

• Using place value understanding

• Using division

• Using a calculator

• Using multiplication tables

In which grade do students start using the base 10 system to perform addition and subtraction on numbers in the thousands?

• Grade 1

• Grade 2

• Grade 4

• Grade 3

What is the relationship between addition and subtraction emphasized in this unit?

• They are unrelated

• They are inverse operations

• They are the same

• They are both multiplication

What is the importance of making connections between previously learned math and new concepts?

• To ignore previous knowledge

• To build a strong foundation

• To focus only on new topics

• To forget old concepts

What is one of the goals of this unit regarding number sense?

• To study geometry

• To learn about fractions

• To expand understanding of place value

• To memorize multiplication tables

What task involves using six number cards to create and compare numbers?

• Exit task

• Entry task

• Mid-unit task

• Final exam