SaiBook.us Subtraction

Lesson Example Discussion Quiz: Class Homework

Step-3

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

1320

300

₁₀₀

1000

1000

342

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

978

08	1	1	1	1	1	:	1	1	1
70	10	10	10	10	10	:	10	10
900	₁₀₀	₁₀₀	₁₀₀	₁₀₀	₁₀₀	:	₁₀₀	₁₀₀	₁₀₀	₁₀₀

Step	Description	B	C	D
B1	Borrow	6	12	0
M1	Minuend	7	2	9
M2	Subtrahend	-	6	3
A1	D3 9 - 3 = 6 C3 12 - 6 = 6 B3 6 - 0 = 6	0 6 6	0 6 6	0 6 6
S1	D3 Bring Down 6 C3 Bring Down 6 B3 Bring Down 6	6	6	6
Sum	Subtraction: 729 - 63 = 666	6	6	6

Step	Type	Explanation	Answer
2	Problem	Find the difference between	1320 , 342
3	Clue	Difference means Subtraction	-
4	Step	Subtract the numbers	\begin{align} 1320 & \\ -\quad 342 \\ \hline 978 & \end{align}
5	Step	After Subtraction we get	978
6		Answer	C