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SUBTRACTION NOTES WRITE IN YOUR BOOKS
_ Subtraction
FOUR OPERATION: SUBTRACTION Vocabulary: MINUEND: The first number in a subtraction sum from which the other number (the subtrahend) is to be subtracted. It is the WHOLE/TOTAL. SUBTRAHEND: The second number in a subtraction sum. The number that is to be subtracted/taken out. It is a PART. DIFFERENCE: The result after subtracting one number from another. It is a PART. SUBTRACT/MINUS: To take away one number from another number. 150 - 22 = 128 150 - 22 = 128 150 - 22 = 128
SUBTRACTION EQUATION 150 - 22 = 128 Minuend The number you are taking from. (First number) Usually the largest number. It is the WHOLE/TOTAL. Subtrahend The number you are taking out. (second number) Usually a smaller number. It is a PART. Difference The result after subtracting two numbers. It is a PART
THESE CLUE WORDS TELL YOU TO MINUS/SUBTRACT • DIFFERENCE/BETWEEN • SUBTRACT/FROM • TAKE AWAY FROM • FEWER/FEWER THAN • LEFT/REMAIN • LESS/LESS THAN • HOW MUCH/ • HOW MUCH MORE/ • HOW MUCH LESS/HEAVIER/LIGHTER /LARGER/SMALLER/ TALLER/SHORTER • HOW MANY ARE LEFT • MINUEND • MINUS • REMOVED • GAVE /GAVE AWAY • REDUCE/GO DOWN • HOW MANY/HOW MANY MORE • LESS/LESS THAN/LOWER • REMAIN/REMAINDER/REMAINING /LEFT BY HOW MUCH/MORE THAN GREATER THAN
EXAMPLES OF SUBTRACTION PROBLEM SUMS 1) Subtract 541 from 2684. • Minus 463 from 5000. 3) What is 56 less than 425? 4) By how much is 76 greater than 21 4) In a school of 350 students, 194 are girls. How many are boys. 5) A grocer had 230 fruits. 60 fruits were rotten, so he threw them away. How many fruits does he haveleft?
EXAMPLE: SUBTRACTION • 164 - 25 = - 25 = 135 1) Missing = difference Missing = minuend minuend – subtrahend = difference subtrahend + difference = minuend 164 – 25 = 135 135 + 25 = 164 164 - = 135 2) Missing = subtrahend minuend – difference = subtrahend 164 – 135 = 25