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New! - Multiplication game - catch the hodag!


Adding and subtracting with negatives activity


Factoring Game


How to solve:
Problem:        
45)1898
How many times does 45 go into 189?

Find the largest number x so that 45 · x doesn't go over 189:
45 · 1 = 45

45 · 2 = 90

45 · 3 = 135

45 · 4 = 180 <---- 4 is the answer!

45 · 5 = 225 (Too high!)
Enter the answer (4) above the last digit of 189:      4 
45)1898
Multiply 45 by 4 and enter the answer below 189:      4 
45)1898
  -180 
Subtract 189 - 180:      4 
45)1898
  -180 
     9 
Bring down the 8:      4 
45)1898
  -180|
     98
How many times does 45 go into 98? 45 · 1 = 45

45 · 2 = 90 <---- 2 is the answer!

45 · 3 = 135 (Too high!)
Enter the answer above the last digit of 98:      42
45)1898
  -180|
     98
Multiply 45 by 2 and enter the answer:      42
45)1898
  -180|
     98
    -90
Subtract 98 - 90:      42
45)1898
  -180|
     98
    -90
      8
No numbers left to bring down, so the problem is done. The remainder is 8.      42 r 8
45)1898
  -180|
     98
    -90
      8



Here's one to try:

      






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(Starts timer)
     




              





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