Step-2

Title: Addition of decimals

Grade: 4-a Lesson: S2-L5

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 185.2 + 132.4.

2

Hint

Operator used for addition is \$+\$

3

Step

Add the numbers

185.2 + 132.4

4

Step

After the addition we get

317.6

5

Choice.A

This option is incorrect there may have been an error in the calculation or addition of either the tenths or units place.

314.6

6

Choice.B

This option is correct. 185.2+132.4=317.6

317.6

7

Choice.C

This option is incorrect because the result is too high. It might have resulted from adding 185.2 and 186.3, or a similar incorrect sum.

371.5

8

Choice.D

This option is incorrect and could happen if numbers are added incorrectly or decimal points are put in the wrong place.

361.7

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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