SaiBook.us Decimals

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Addition of decimals

Grade: 4-a Lesson: S2-L3

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 152.3 + 121.5
2	Hint	Operator used for addition is \$+\$
3	Step	Add the numbers	152.3 + 121.5
4	Step	After the addition we get	273.8
5	Choice.A	This option is correct. By adding the tenth place (3 + 1 = 4) and the unit place (2 + 2 = 4), and finally adding the whole numbers (152 + 121), we get a total of 273.8.	273.8
6	Choice.B	This option is incorrect. The sum of 152.3+121.5 should be higher than 237.8.	237.8
7	Choice.C	This option is incorrect. This result suggests that there was an addition error, possibly in the units or tenths place.	278.3
8	Choice.D	This option is incorrect. It seems to be a result of an addition mistake, possibly miscalculating the sum of the digits.	287.3
9	Step	Option	A
10	Sumup	Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5