Step-2

Title: Subtraction of Whole Numbers

Grade: 4-a Lesson: S1-L3

Explanation: Let us verify the answer here with the steps.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps Head1

Step Type Explanation Answer

1

Problem

Billy made 480 cookies in 2 days. He made 200 on Monday. How many did he make on Tuesday?

2

Clue

Difference implies Comparison

Subtraction

3

Hint

Operator used: Subtraction

-

4

Step

Total cookies made in two days

480

5

Step

Cookies made on Monday

200

6

Formula:

Cookies made on Tuesday

Cookies made on Tuesday = Total cookies - Cookies made on Monday

7

Step

Now plug the value in the formula

480 - 200

8

Step

After subtraction

280

9

Step

Therefore, Billy made 280 cookies on Tuesday.

10

SumUp

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

11

Choice.A

This is not correct because it doesn’t reflect the correct calculation

200

12

Choice.B

This is correct because it represents the number of cookies Billy made on Tuesday

280

13

Choice.C

This is not correct because it doesn’t reflect the correct calculation

250

14

Choice.D

This is not correct because it doesn’t reflect the correct calculation

150

15

Answer

Option

B

16

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5


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