Step-3

Title: Addition of numbers

Grade: 2-a Lesson: S1-L2

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

There are 73 chairs on the first floor. There are 66 chairs on the second floor. How many chairs are there on the two floors.

2

Step

There are 73 chairs on the first floor.

73

3

Step

There are 66 chairs on the second floor.

66

4

Step

Add the number of chairs on both floors.

First floor + Second floor = Total number of stones in both floors

5

Step

Perform the addition

73 + 66 = 139

6

Step

Therefore, there are 139 chairs on both floors.

7

Sumup

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

8

Choice.A

This option does not match the sum of the chairs on the two floors

149

9

Choice.B

This option perfectly aligns with the combined count of chairs on the two floors

139

10

Choice.C

This option does not match the sum of the chairs on the two floors

133

11

Choice.D

This option does not match the sum of the chairs on the two floors

143

12

Answer

Option

A

13

Sumup

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


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