Addition without regrouping

Isaiah went to Wal-Mart to buy video games. He found one that cost $48 and another one for $31. What will the total be for both videos games?

• $80

• $79

• $17

• none of the above

Danny scored 27 points in the first half of the basketball game. He then scored another 21 points in the second half. How many points did Danny score by the end of the game?

• 48

• 8

• 6

• none of the above

• 37

• 27

• 26

• 17

• 37

• 38

• 28

• 17

• 37

• 38

• 28

• 17

• 47

• 46

• 45

• 44

• 66

• 65

• 56

• 54

• 83

• 93

• 94

• 84

• 96

• 98

• 97

• 95

• 87

• 98

• 85

• 88