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MULTIPLYING WITH MULTIPLES OF 10, 100 AND 1000 ETC
MULTIPLYING WITH MULTIPLES OF 10, 100 AND 1000 ETC
No. of Questions5
Maximum Points20
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Question 1 of 5
Find the missing number
_ × 98 = 98000
Incorrect
Correct
WELL DONE!
EXPLANATION
Question says:
_ × 98 = 98000
Now, 98000 = 98 thousands
= 98 × 1000
On applying the commutative property of multiplication we get,
98000 = 98 × 1000 = 1000 × 98
So, _ × 98 = 98000 = 1000 × 98 or
_ × 98 = 1000 ×98
On comparing both sides, we get:
_ = 1000
Hence, the missing number is 1000
NICE TRY!
EXPLANATION
Question says:
_ × 98 = 98000
Now, 98000 = 98 thousands
= 98 × 1000
On applying the commutative property of multiplication we get,
98000 = 98 × 1000 = 1000 × 98
So, _ × 98 = 98000 = 1000 × 98 or
_ × 98 = 1000 ×98
On comparing both sides, we get:
_ = 1000
Hence, the missing number is 1000
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Question 2 of 5
Fill in the blank
Incorrect
Correct
YOU’RE DOING GREAT. KEEP GOING!
EXPLANATION
8 × 500 = 8 × 5 hundreds
= 8 × 5 × 100
We know 8 × 5 = 40, so,
8 × 500 = 40 × 100
= 40 hundreds
= 4000
Hence, 8 × 500 = 4000.
OOPS! PLEASE TRY AGAIN!
EXPLANATION
8 × 500 = 8 × 5 hundreds
= 8 × 5 × 100
We know 8 × 5 = 40, so,
8 × 500 = 40 × 100
= 40 hundreds
= 4000
Hence, 8 × 500 = 4000.
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Question 3 of 5
Fill in the blank
Incorrect
Correct
YOU’RE DOING GREAT. KEEP GOING!
EXPLANATION
In order to solve this, we find the product of the following equation:
9 × 200 = 1800
Hence, the missing blank is 1800
PLEASE TRY ONE MORE TIME!
EXPLANATION
In order to solve this, we find the product of the following equation:
9 × 200 = 1800
Hence, the missing blank is 1800
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Question 4 of 5
Sam bought 10 packets of pens, he had 10 pens in each packet. How many pens Sam has in total?
Incorrect
Correct
WELL DONE! YOU GOT IT RIGHT!
EXPLANATION
No of packets of pens Sam bought = 10
No of pens in each packet = 10
Total no. of pens = No of packets purchased × No of pens in each packet
= 10 × 10
= 10 tens
= 100
Hence, Sam bought a total of 100 pens.
YOU’RE ALMOST THERE!
EXPLANATION
No of packets of pens Sam bought = 10
No of pens in each packet = 10
Total no. of pens = No of packets purchased × No of pens in each packet
= 10 × 10
= 10 tens
= 100
Hence, Sam bought a total of 100 pens.
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Question 5 of 5
Fill in the box.
Incorrect
Correct
WELL DONE!
EXPLANATION
Question says:
_ × 55 = 550
We can write 550 as 55 × 10 or as 10 × 55 using the commutative property of multiplication
Now, _ × 55 = 10 × 55
On comparing both sides, we get,
_ = 10
Hence, the correct answer is 10.
NICE TRY!
EXPLANATION
Question says:
_ × 55 = 550
We can write 550 as 55 × 10 or as 10 × 55 using the commutative property of multiplication
Now, _ × 55 = 10 × 55
On comparing both sides, we get,
_ = 10
Hence, the correct answer is 10.
