Question
Ann bought 23 boxes of pencils. If there are 12 pencils in each box, the total pencils did she buy?
- 180
- 276
- 100
- 600
Hint:
This can be found by multiplying the total number of boxes to the total number of pencil in each box. In this question we have to multiply as two-digit number with a two-digit number. We can use the distributive law to do this question. Distributive law relates multiplication and addition as follows:
This law shows that first adding some numbers and the multiplying the sum by some numbers gives same result as first multiplying each number by separately with the number and then adding them.
The correct answer is: 276
Step1: We have to use the standard algorithm to find the multiplication so we will first break the one number into small numbers that can be easily multiplied to get the result. So, we will divide 
and 
as follows:
Step2: Now we will use the distributive property to multiply this:
Step3: Now we will do simple multiplication of which are as follows:
Step4: Now we have to add these numbers.
=>
So, the answer of the multiplication of 
.
So, the total number of pencils Ann bought is .
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83 x 74=______.
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Use partial products to find the product of 35 x 45.
The partial product method involves multiplying each digit of a number in turn with each digit of another where each digit maintains its place. We break the number into parts to multiply. We then multiply the parts separately and then add them together. Apply the same concept in similar questions.
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