SaiBook.us Decimals

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Decimal Addition

Grade: 5-a Lesson: S1-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 456.6+190.7+289
2	Step	The given addition is	456.6+190.7+289
3	Hint	The process is very similar to adding two decimals. Just extend it for the additional numbers.
4	Step	The numbers are first padded with zero. Align the decimals and add each column from right to left.
5	Step	Finally, add decimals like integers and and place the decimal point accordingly.	456.6+190.7+289=936.3
6	Answer	Option	A
7	Sumup	Can you summarize what you’ve understood in the above steps?
8	Choice.A	This is the correct sum. Adding the numbers together results in 936.3	936.3
9	Choice.B	This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 836.3	836.3
10	Choice.C	This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 712.3	712.3
11	Choice.D	This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 123.3	123.3
12	Sumup	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Addition of Decimals 456.6+190.7+289

Step

The given addition is

456.6+190.7+289

Hint

The process is very similar to adding two decimals. Just extend it for the additional numbers.

Step

The numbers are first padded with zero. Align the decimals and add each column from right to left.

Step

Finally, add decimals like integers and and place the decimal point accordingly.

456.6+190.7+289=936.3

Answer

Option

Sumup

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

Choice.A

This is the correct sum. Adding the numbers together results in 936.3

936.3

Choice.B

This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 836.3

836.3

Choice.C

This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 712.3

712.3

Choice.D

This option is incorrect because it doesn’t correctly sum the three decimals. Adding the numbers together results in 936.3, not 123.3

123.3

Sumup

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

Discussion: Step1 Step2 Step3 Step4 Step5