Mastering Multi-Step Math Problems in addition and subtraction

Sarah had 45 marbles. She gave 18 marbles to her friend and then bought 12 more marbles. How many marbles does Sarah have now?

• 39

• 45

• 27

• 15

A library had 120 books. 35 books were borrowed by students, and then the library received 20 new books. How many books are in the library now?

• 105

• 120

• 135

• 85

• $47

• $28

• $56

• $38

A farmer picked 68 apples in the morning and 47 apples in the afternoon. He sold 53 apples at the market. How many apples does he have left?

• 62

• 115

• 53

• 68

There were 90 students in a school hall. 27 students left the hall, and then 34 more students entered. How many students are in the hall now?

• 97

• 63

• 117

• 81

A baker made 150 cookies. He sold 68 cookies in the morning and 42 cookies in the afternoon. How many cookies does he have left?

• 40

• 110

• 82

• 150

Lisa read 24 pages of a book on Monday and 36 pages on Tuesday. If the book has 100 pages, how many pages does she have left to read?

• 40

• 60

• 76

• 64

A pet store had 80 fish. 23 fish were sold, and then the store received 15 new fish. How many fish are in the store now?

• 72

• 58

• 68

• 102

A box contains 56 red balls and 39 blue balls. If 28 balls are taken out of the box, how many balls are left?

• 67

• 95

• 83

• 67

There are 60 chairs in a hall. 18 chairs are taken out for cleaning, and then 25 new chairs are brought in. How many chairs are in the hall now?

• 43

• 67

• 85

• 53