SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-4

Title: Multiplication

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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

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

304

04	1	1	1	1		:
300	₁₀₀	₁₀₀	₁₀₀			:

Step	Description	B	C	D
B1	Carry	2	6	0
M1	Multiplicand	0	3	8
M2	Multiplier	×	0	8
A1	D3 8 × 8 = 64 C3 8 × 3 + 6 = 30 B3 8 × 0 + 3 = 3	0 2 2	2 24 6	6 64 4
S1	D3 Bring Down 4 C3 Bring Down 0 B3 Bring Down 3	3	0	4
Sum	Product: 38 × 8 = 304	3	0	4

Step	Type	Explanation	Answer
2	Problem	Find the missing number 28 × ? = 532.
3	Step:	We look for missing number that multiply with 28 to give	532
4	Clue	Product means Multiplication	\$ \times \$
5	Step:	Multiply the number 5 by 18	\$28 \ times 19\$
6	Step:	After the multiplication, we get	\$ 532 \$
7	Choice.A	This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 28 by 18	18
8	Choice.B	This option is correct. It is the result of dividing 532 by 28, filling in the missing number to make the equation 28 × 19 = 532	19
9	Choice.C	This option is incorrect. If you multiply 28 by 20, you get 560, not 532	20
10	Choice.D	This option is incorrect. It’s not the result of multiplying 28 and 21	21
11		Answer	B
12	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the missing number 28 × ? = 532.

Step:

We look for missing number that multiply with 28 to give

532

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 5 by 18

\$28 \ times 19\$

Step:

After the multiplication, we get

\$ 532 \$

Choice.A

This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 28 by 18

Choice.B

This option is correct. It is the result of dividing 532 by 28, filling in the missing number to make the equation 28 × 19 = 532

Choice.C

This option is incorrect. If you multiply 28 by 20, you get 560, not 532

Choice.D

This option is incorrect. It’s not the result of multiplying 28 and 21

Answer

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5