The student uses whole numbers to describe and compare quantities. Each student forms a collection of objects that go together such as different kinds of buttons, baseball cards, pencils, library books, etc. Students label each collection with the number card that tells how many objects are in it. The student uses pairs of whole numbers to describe fractional parts of whole objects or sets of objects. Clarifying Activity Students have a candy bar that comes divided in sections.
Students identify the equal parts of the candy bar.
Working in pairs or small groups, students separate the candy bar into equal pieces and distribute the pieces. The student uses pairs of whole numbers to describe fractional parts of whole objects or sets of objects. Each group of four students is given a set of crayons. The student recognizes and solves problems in addition and subtraction situations. Clarifying Activity Students use concrete objects with story mats to act out and solve oral addition and subtraction story problems created by the teacher or by the students.