SaiBook.us Decimals

Lesson Example Discussion Quiz: Class Homework

Step-1

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 166.6 + 124.5.
2	Hint	Operator used for addition is \$+\$
3	Step	Add the numbers	166.6 + 124.5
4	Step	After the addition we get	291.1
5	Choice.A	This option is incorrect because it is lower than the correct sum. It might be a result of an error, like adding incorrectly or leaving out a decimal digit.	221.9
6	Choice.B	This option is incorrect because it is also lower than the correct answer, possibly from incorrectly rounding or a simple calculation error.	219.1
7	Choice.C	This option is incorrect ut it seems to involve an error where both the integer and decimal parts were miscalculated.	211.9
8	Choice.D	This option is correct because the addition was done properly, while the others involve common mistakes such as misalignment of decimals or wrong operations.	291.1
9	Step	Option	D
10	Sumup	Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5