Double Digit Addition and Subtraction

In the operation 6 + 4 = 10 , 6 and 4 are called

• Sum

• Six and four

• Addends

• Addition factor

42 together with 37 is same as

• 78

• 79

• 69

• 77

When we add 2 digit number, we start the addition from ___ place

• Tens

• Hundreds

• Ones

• None of these

56+23=

• 5623

• 78

• 79

• 81

76+43=

• 119

• 129

• 7643

• 120

• 109

19 + 19

• 28

• 36

• 38

• 34

81+18=

• 99

• 55

• 88

• 44

^{25 + 32 =}

• 48

• 57

• 84

• 12

13 + 58 = ?

25 + 36 = ?