Step-3

Title: Subtraction

Grade: 1-a Lesson: S2-L2

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.

sbMath-row-a-ones-image5 = 0

Step

Name

Sign

Image

1

Plus +

Minuend

15

15

Fives

3

5

5

5

15

Fifteen cars

2

Minus -

Subtrahend

3

3

Ones

3

1

1

1

3

Three cars

3

Equal =

Difference

12

2

Ones

2

1

1

10

Fives

2

5

5

12

Twelve cars

4

Fifteen cars Minus Three cars is equal to Twelve cars

Step Description A B C D

B1

Borrow

0

0

M1

Minuend

1

5

M2

Subtrahend

0

3

A1

D3 5 - 3 = 2 C3 1 - 0 = 1

0 1 1

0 2 2

S1

Difference D3 Bring Down 2 C3 Bring Down 1

1

2

Sum

Subtraction: 15 - 3 = 12

1

2

Step Type Explanation Answer

2

Problem

Find the difference between

15 , 3

3

Clue

Difference means Subtraction

-

4

Step

Subtract the numbers

\begin{align} 15 & \\ -\quad 3 \\ \hline 12 & \end{align}

5

Step

After Subtraction we get

12

6

Answer

C


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