Mastering Addition, Subtraction, and Place Value with 6-Digit, 4-Digit, and 3-Digit Numbers

• MAths
• Special Education

Mastering Addition, Subtraction, and Place Value with 6-Digit, 4-Digit, and 3-Digit Numbers

Learning Objective

At the end of the lesson, you will be able to confidently perform addition and subtraction with 6-digit, 4-digit, and 3-digit numbers, as well as understand place value concepts.

What do you already know about addition, subtraction, and place value?

What is the first step in the addition column method?

1. Add the digits from left to right
2. Subtract the smaller number from the larger number
3. Align the digits vertically
4. Multiply the digits by each other

What is the second step in the addition column method?

1. Divide the digits by each other
2. Add the digits column by column
3. Subtract the larger number from the smaller number
4. Multiply the digits by each other

What is the final step in the addition column method?

1. Carry over any tens to the next column
2. Discard any tens
3. Subtract the smaller number from the larger number
4. Multiply the digits by each other

Place Value

Place value refers to the value of a digit based on its position in a number.

6-Digit Numbers

A 6-digit number is any number that has six digits, ranging from 100,000 to 999,999.

4-Digit Numbers

A 4-digit number is any number that has four digits, ranging from 1,000 to 9,999.

3-Digit Numbers

A 3-digit number is any number that has three digits, ranging from 100 to 999.

Addition and Subtraction

Addition is the process of combining two or more numbers to find the total, while subtraction involves taking one number away from another.

Practice Addition and Subtraction

Solve the following addition and subtraction problems: 528 + 364, 846 - 279, 4,502 + 1,893, 7,625 - 2,481.

Quiz

Test your skills with a quick quiz on addition, subtraction, and place value.

What is the place value of the digit 5 in the number 356?

1. hundreds
2. tens
3. ones
4. thousands

What is the result of 24 + 18?

1. 36
2. 40
3. 34
4. 42

What is the difference between 57 and 29?

1. 33
2. 30
3. 28
4. 26

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.