Adding and Understanding Sums

Adding and Understanding Sums

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial teaches how to add three-digit numbers using simple strategies. It begins with an introduction to the concept, followed by three detailed examples: adding 233 and 421, 520 and 143, and 834 and 151. Each example uses a place value chart and base 10 blocks to illustrate the process. The video also includes a practice problem for viewers to solve independently. The tutorial concludes with encouragement to continue practicing and mastering the skill of adding three-digit numbers.

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in adding three-digit numbers?

Line up the numbers randomly

Add the ones place first

Begin with the tens place

Start with the hundreds place

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of adding 233 and 421, what is the sum of the ones place?

7

6

5

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total when you add the tens place in 233 and 421?

7

6

8

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of 233 and 421?

654

657

655

656

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When adding 520 and 143, what is the sum of the tens place?

7

8

6

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 520 and 143?

662

663

664

665

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of 834 and 151, what is the sum of the ones place?

6

5

7

4

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