Addition and subtraction

Addition and Subtraction (also repeated in 4th grade math)
Addition:Adding two numbers by arranging them in equal place values is called as Addition
Studens till Grade III learn about this concept Clearly
Addition of Single digit numbers :Add the same place value digits with each other and if sum is greater than 9 then carry forward it to next place value digit
Examples: 2+3=?
Answer: 5
Examples: 6+9=?
Answer: 15
Examples: 1+4=?
Answer: 5
Examples: 5 + 3=?
Answer: 8
Examples: 2+8=?
Answer: 10
Examples: 9+4=?
Answer: 13
Addition of two digit numbers :
Examples: 73+11=?
Answer: 84
Examples: 12+53=?
Answer: 65
Examples: 18+49=?
Answer: 67
Examples: 16+82=?
Answer: 98
Examples: 55+34=?
Answer: 89
Examples: 66+33=?
Answer: 99
Examples: 89+71=?
Answer: 160
Examples: 31+51=?
Answer: 82
Examples: 06+10=?
Answer: 16
Examples: 25+26=?
Answer: 51
Examples: 60+83=?
Answer: 143
Examples: 83+57=?
Answer: 140
Examples: 97+60=?
Answer: 157
Examples: 23+34=?
Answer: 57
Examples: 63+42=?
Answer: 105
Examples: 98+29=?
Answer: 127
Examples: 78+77=?
Answer: 155
Examples: 29+77=?
Answer: 106
Examples: 30+99=?
Answer: 129
Examples: 10+20=?
Answer: 30
Examples: 37+21=?
Answer: 58
Examples: 29+39=?
Answer: 68
Examples: 43+21=?
Answer: 64
Examples: 22+70=?
Answer: 92
Examples: 72+31=?
Answer: 103
Examples: 42+61=?
Answer: 103
Examples: 90+20=?
Answer: 110
Subtraction: The number which is subtracted is called as subtrend
Subtraction of single digit number: (also read how to subtract integers)
Examples: 9-2=?
Answer: 7

Examples: 3-2=?
Answer: 1
Examples: 8-1=?
Answer: 7
Examples: 9-4=?
Answer: 5
Examples: 4-2=?
Answer: 2
Examples: 6- 1=?
Answer: 5
Examples:  5- 3=?
Answer: 2
Examples: 8- 3=?
Answer: 5
Subtraction of two digit numbers :Arrange the place value digits and if one digit is smaller than subtrend then we have to carry from the nect place value digit
Examples: 72-21=?
Answer: 51
Examples: 33-10=?
Answer: 23
Examples: 89-13=?
Answer: 76
Examples: 56-32=?
Answer: 24
Examples: 61- 11=?
Answer: 50


Examples: 38- 18=?
Answer: 20

Examples: 42- 38=?
Answer: 4
Examples: 79-35=?
Answer: 54
Examples: 75-60=?
Answer: 15
Examples: 39-17=?
Answer: 22
 Examples: 88-48=?
Answer: 40
Examples: 59-52=?
Answer: 7
Examples: 70-35=?
Answer: 35
Examples: 44-39=?
Answer: 5
Examples: 78-67=?
Answer: 11
Examples: 61-15=?
Answer: 46
 Examples: 56-42=?
Answer: 14
Examples: 43-16=?
Answer: 27
Examples: 88- 55=?
Answer: 33

Examples: 67-21=?
Answer: 46

Examples: 47-32=?
Answer: 15

Examples: 99- 42=?
Answer: 57

Examples: 55-36=?
Answer: 19

In upcoming posts we will discuss about Odd and even numbers and Rounding numbers. Visit our website for information on Tamilnadu Board Statistics Sample Papers