Understanding Column Addition Techniques

Understanding Column Addition Techniques

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This tutorial covers the addition of multi-digit numbers with decimals. It explains the importance of aligning decimal points and provides two examples: adding 123.09 to 104.1 and adding 800 to 0.015. The tutorial emphasizes that adding zeros in empty spaces is optional and reassures students that careful alignment simplifies the process.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when adding decimals in multi-digit numbers?

Start from the leftmost column

Ignore the decimal points

Align the decimal points

Add zeros to all columns

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, what is the sum of the hundredths column?

9

10

0

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might some people add zeros in empty spaces during addition?

To confuse the process

To make the addition process easier

To ensure all columns are aligned

To make the numbers look bigger

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding the ones column in the first example?

5

6

7

8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the tenths column in the first example?

2

3

1

0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, what is the sum of the tens column?

3

0

2

1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the hundreds column in the first example?

4

3

2

1

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