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Step-3

Title: Number lines

Grade: 2-a Lesson: S1-L4

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

Lesson Steps

Step	Type	Explanation	Answer
1	Problem	identify the number line to add 35 + 20 = _ .
2	Step	To add 35 + 20 on the number line, follow these steps:
3	Step	Draw a number line with positive numbers on the right and negative ones on the left, including 35 and 20.
4	Step	Start at the number 35 on the number line.	35
5	Step	Move 20 units to the right (since we are adding 20).	20
6	Step	The point where you land after moving 20 units is your answer.
7	Step	Read the number where you landed. That is the sum of	35 + 20 = 55
8	Step	If you perform these steps, you will end up at the number 55 on the number line, which is the correct sum of 35 + 20.
9	Sumup	Can you summarize what you’ve understood in the above steps?
10	Choice.A	This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 40	40
11	Choice.B	This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 45	45
12	Choice.C	This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 50	50
13	Choice.D	This is the correct answer. Starting at 35 and moving 20 units to the right on the number line brings you to 55	55
14	Answer	Option	D
15	Sumup	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

identify the number line to add 35 + 20 = _ .

Step

To add 35 + 20 on the number line, follow these steps:

Step

Draw a number line with positive numbers on the right and negative ones on the left, including 35 and 20.

Step

Start at the number 35 on the number line.

Step

Move 20 units to the right (since we are adding 20).

Step

The point where you land after moving 20 units is your answer.

Step

Read the number where you landed. That is the sum of

35 + 20 = 55

Step

If you perform these steps, you will end up at the number 55 on the number line, which is the correct sum of 35 + 20.

Sumup

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

Choice.A

This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 40

Choice.B

This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 45

Choice.C

This is incorrect. Starting at 35 and moving 20 units to the right would bring you to 55, not 50

Choice.D

This is the correct answer. Starting at 35 and moving 20 units to the right on the number line brings you to 55

Answer

Option

Sumup

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