Crossword Puzzle wordsOnline version some words by Juan Julio castro 1 people use this to sum up or to do different mathematical operations 2 this object is soft it is used to rest and to sleep on it 3 this is an object with pages glued or sewn together used to write on it 4 object made of different matterials such a glass or plastic used to keep liquids 5 this object is made of glass and allows people to see through it 6 this is a flat object attached to a wall providing a surface for the storage or display of object 7 this object is almost always used in birthday celebrations. it is sweet and soft 8 people use this object to practice exercise and also as a means of transportation 9 people use this to sum up or to do different mathematical operations 10 formal object made of silk used mainly by men wearing a suit. 9 4 2 5 6 3 7 10 8