Step-2

Title: Addition of decimals

Grade: 4-a Lesson: S2-L8

Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step Type Explanation Answer

1

Problem

Addition of decimals 229.4 + 178.2.

2

Hint

Operator used for addition is \$+\$

3

Step

Add the numbers

229.4 + 178.2

4

Step

After the addition we get

407.6

5

Choice.A

This option is incorrect due to the sum of 229.4 and 178.2 is 407.6, not 470.6.

470.6

6

Choice.B

This option is incorrect because it lacks the decimal part and the sum of 229.4 and 178.2 is not a whole number.

467

7

Choice.C

This is option is correct. When you add 229.4 and 178.2, you get 407.6

407.6

8

Choice.D

This option is incorrect as it miscalculates the addition of the tenths and units places, leading to an incorrect sum.

460.7

9

Step

Option

C

10

Sumup

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5


Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 11-Sept-2024 09:20AM ESTgitt