Lisa has 15 marbles. She gives 5 to her friend. How many marbles does she have left? (Translate to numbers and simplify.)

A baker made 20 cookies and sold 7. How many cookies are left? (Create an expression and simplify.)

Tom read 25 pages of a book on Monday and 15 pages on Tuesday. How many pages did he read in total? (Write and simplify the expression.)

A toy store has 30 toys. If they sell 12 toys, how many toys are remaining? (Translate the words to numbers and simplify.)

Sarah has 50 stickers. She gives 10 to her brother and 5 to her friend. How many stickers does she have left? (Write the expression and simplify.)

In a classroom, there are 24 students. If 6 students go to the library, how many are left in the classroom? (Translate to numbers and simplify.)

A gardener planted 15 flowers in the morning and 10 in the afternoon. How many flowers did he plant in total? (Create and simplify the expression.)

A library has 100 books. If 25 books are checked out, how many books are still in the library? (Write the expression and simplify.)

Emma has 40 candies. She eats 10 and gives 5 to her friend. How many candies does she have now? (Translate the words to numbers and simplify.)