876 divided by 21. You can use your knowledge of the base 10 system to say: 21X10=210(too small)
21X20=420(still too small)
21X30=630(let me subtract 876-630=246, I'm getting close)
21X40=840 and when I subtract I get a remainder of 36. I can make 1 more group of 21. 36-21=15. So my answer is 41 with a remainder of 15.
You can use multiples of 100,100, etc. for larger numbers.
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Division by "?" is not a legitimate mathematical operation!
One strategy that can be used to divide is called long division. Long division is a method of dividing one number by another by repeatedly subtracting multiples of the divisor from the dividend. This process involves dividing the digits of the dividend one by one, starting from the left, and bringing down the next digit until the entire dividend is divided. Long division is a systematic approach that allows for accurate and efficient division of numbers.
Factors create multiples, multiples break down into factors.
All multiples of 64 are multiples of 8.
multiples of 8 are also multiples of 2 because anything you times by 8 is an even number