Math is really cool !!!

Math is really cool !!!

by Jared Josiah Anthony

​Subtraction

• ​Have to go backward

• ​Subtract a smaller number from a bigger number

• ​Minuend is the bigger number , subtrahend the smaller number and the answer is the difference

• Subtracting 1 from a number = you getting the predecessor​

​2 - Digit Subtraction without Regrouping

​Step 1 . Subtract the 2 ( Two ) numbers at the ones place . Ex . If I am doing 64 - 32 I have to subtract 4 - 2 .

Step 2 . Subtract the 2 numbers in the tens place . Ex . If I am doing 57 - 34 I have to do 5 - 3 .

​Step 3 . Your sum is done !!!

Multiple Choice

What is 72 - 31 ?

• 43

• 44

• 42

• 47

• None of the above

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Open Ended

In steps , can you tell me how to do 47 - 24 ?