Step-2

Title: Addition of decimals

Grade: 4-a Lesson: S2-L7

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 214.7 + 142.5.

2

Hint

Operator used for addition is \$+\$

3

Step

Add the numbers

214.7 + 142.5

4

Step

After the addition we get

357.2

5

Choice.A

This option is incorrect because 214.7 + 142.5 equals 357.2, not 325.7

325.7

6

Choice.B

This option is correct because 214.7 + 142.5 equals to 357.2 which matches the given sum

357.2

7

Choice.C

This option is incorrect because the sum of 214.7 and 142.5 equals 357.2, not 352.7

352.7

8

Choice.D

This option is incorrect because it is much lower than the correct sum, which is 357.2

352.6

9

Step

Option

B

10

Sumup

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

Discussion: Step1 Step2 Step3 Step4 Step5


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