SaiBook.us Subtraction

Lesson Example Discussion Quiz: Class Homework

Step-4

Title: Subtraction

Grade: 3-a Lesson: S2-L7

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 = {sbMath-row-a-ones-image5}

Step

Value

Image

1380

80	10	10	10	10	10	:	10	10	10
300	₁₀₀	₁₀₀	₁₀₀			:
1000	1000					:

342

02	1	1			:
40	10	10	10	10	:
300	₁₀₀	₁₀₀	₁₀₀		:

1038

08	1	1	1	1	1	:	1	1	1
30	10	10	10			:
1000	1000					:

Step	Description	B	C	D
B1	Borrow	6	12	0
M1	Minuend	7	2	1
M2	Subtrahend	-	7	0
A1	D3 1 - 0 = 1 C3 12 - 7 = 5 B3 6 - 0 = 6	0 6 6	0 5 5	0 1 1
S1	D3 Bring Down 1 C3 Bring Down 5 B3 Bring Down 6	6	5	1
Sum	Subtraction: 721 - 70 = 651	6	5	1

Step	Type	Explanation	Answer
2	Problem	Find the difference between	1380 , 342
3	Clue	Difference means Subtraction	-
4	Step	Subtract the numbers	\begin{align} 1380 & \\ -\quad 342 \\ \hline 1038 & \end{align}
5	Step	After Subtraction we get	1038
6		Answer	C