SaiBook.us Decimals

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Addition of decimals

Grade: 4-a Lesson: S2-L4

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 169.4 + 142.3.
2	Hint	Operator used for addition is \$+\$
3	Step	Add the numbers	169.4 + 142.3
4	Step	After the addition we get	311.7
5	Choice.A	This option is incorrect beacuase this error might occur if someone mistakenly adds the numbers without properly aligning the decimals, or miscalculates the carry-overs.	371.3
6	Choice.B	This option is incorrect because it might come from switching digits around or misplacing the decimal points in the wrong columns during the addition process.	317.1
7	Choice.C	This option is correct When you add the numbers correctly, the sum is 311.7. So, Option C reflects the accurate addition of the two decimal numbers.	311.7
8	Choice.D	This option is incorrect but it could be the result of a minor mistake in adding the digits in the ones or tenths place.	314.7
9	Step	Option	C
10	Sumup	Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5