SaiBook.us Subtraction

Lesson Example Discussion Quiz: Class Homework

Step-4

Title: Subtraction

Grade: 2-a Lesson: S4-L1

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.

Step

Value

Image

721

01	1					:
20	10	10				:
700	100	100	100	100	100	:	100	100

651

01	1					:
50	10	10	10	10	10	:
600	100	100	100	100	100	:	100

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	721 , 70
3	Clue	Difference means Subtraction	-
4	Step	Subtract the numbers	\begin{align} 721 & \\ -\quad 70 \\ \hline 651 & \end{align}
5	Step	After Subtraction we get	651
6		Answer	D