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Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Decimal Multiplication

Grade: 4-a Lesson: S2-L5

Explanation: Let us verify the answer here with the steps.

Discussion: Step1 Step2 Step3 Step4 Step5

Step	Type	Explanation	Answer
1	Problem	Jared has 172.1 boxes of apples, and Kate has twice the number of boxes. How many boxes does Kate have?
2	Clue	Twice implies multiplying	Multiplication
3	Hint	Operator used : Multiplication	x
4	Step	Number of boxes of apples Jared has	172.1
5	Step	Number of boxes of apples Kate has	Twice the number of boxes Jared has
6	Step	Number of boxes of apples Kate has	2 x 172.1
7	Step	=	\$344.2\$ boxes
8	Step	Therefore, the number of boxes kate have	344.2 boxes
9	SumUp	Can you summarize what you’ve understood in the above steps?
10	Choice.A	This option is incorrect because it is higher than the calculated number of boxes Kate has (344.2 boxes). Option A overestimates Kate’s number of boxes	355.2
11	Choice.B	This option is incorrect for the same reason as Option A. It overestimates Kate’s number of boxes	356.2
12	Choice.C	This option is correct. It matches the calculated number of boxes that Kate has, which is twice the number that Jared has	344.2
13	Choice.D	This option is incorrect because it does not result from doubling Jared’s number of boxes. Instead, it has added some number to the correct result	345.2
14	Answer	Option	C
15	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Jared has 172.1 boxes of apples, and Kate has twice the number of boxes. How many boxes does Kate have?

Clue

Twice implies multiplying

Multiplication

Hint

Operator used : Multiplication

Step

Number of boxes of apples Jared has

172.1

Step

Number of boxes of apples Kate has

Twice the number of boxes Jared has

Step

Number of boxes of apples Kate has

2 x 172.1

Step

\$344.2\$ boxes

Step

Therefore, the number of boxes kate have

344.2 boxes

SumUp

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

Choice.A

This option is incorrect because it is higher than the calculated number of boxes Kate has (344.2 boxes). Option A overestimates Kate’s number of boxes

355.2

Choice.B

This option is incorrect for the same reason as Option A. It overestimates Kate’s number of boxes

356.2

Choice.C

This option is correct. It matches the calculated number of boxes that Kate has, which is twice the number that Jared has

344.2

Choice.D

This option is incorrect because it does not result from doubling Jared’s number of boxes. Instead, it has added some number to the correct result

345.2

Answer

Option

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5