Math
posted by Nnn .
Multiply a 3 digit number by a 1 digit number
1/in a package of pencils , 8 are yellow and 4 are blue . How many yellow pencils are in 426 packages?
The answer:
4+8=12
12*426= 5,112
2/ A single pencil can draw a line equal to the length of 616 football fields! If you wanted to draw a line equal to the length of about 3,000 football fields, would you need 3,4, or 5 pencils? Explain.
3/ The school store has 3,000 pencils. They want tostock an eraser for each pencil . The eraser come in bags of 250 . The store ordered 9 bags. Will they have an eraser for each pencil? Explin
No , explain,,
250*9= 2250
Please ,, help me to solve the problem 1,2,3

#1  forget about the blue pencils. There are 8 yellows in each package. So, in 426 packages, there are 8*426=3408.
Note that the title of the problem set was "Multiply a 3 digit number by a 1 digit number". That should have been a clue that your approach was wrong.
#2  multiply and check:
3*616 = 1848
4*616 = 2464
5*616 = 3080
So, which is closest to 3000?
#3
So, whatcha think? Are 2250 erasers enough for 3000 pencils? 
1. Why did you multiply by 4? You only need to find the total of yellow pencils.
2. 3000 / 616 = ?
3. Right.
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