Topic G: Subtraction from 9 and 10 Rubric ___________ Time Elapsed: ____________ Materials: (S) 10 linking cube stick (5 cubes one color, 5 cubes a different color), 9 crayons, brown paper bag, personal white board, paper, and pencil T: (Give the student a piece of paper and a pencil.) Listen to my story, and watch what I do. When I’m finished, you are going to record what you hear and see on your paper. You can use a drawing or a subtraction sentence. I have 9 crayons. I’m going to put 1 in this paper bag. How many crayons are left? T: (Give the student the 10-stick of linking cubes.) How many cubes? Break off some cubes, and put them on the table. How many did you break off? How many are still in your hand? (As the student tells you how many cubes, write ___ ___ = ___ on the personal white board.) Write the numbers – in the blanks that tell what you did with the linking cubes. T: (Connect the cubes, and erase the board. Place both items in front of the student.) Break off a different number this time, and record your work by writing a subtraction sentence. What did the student do? What did the student say?
Topic G: Subtraction from 9 and 10 Rubric ___________ Time Elapsed: ____________ Materials: (S) 10 linking cube stick (5 cubes one color, 5 cubes a different color), 9 crayons, brown paper bag, personal white board, paper, and pencil T: (Give the student a piece of paper and a pencil.) Listen to my story, and watch what I do. When I’m finished, you are going to record what you hear and see on your paper. You can use a drawing or a subtraction sentence. I have 9 crayons. I’m going to put 1 in this paper bag. How many crayons are left? T: (Give the student the 10-stick of linking cubes.) How many cubes? Break off some cubes, and put them on the table. How many did you break off? How many are still in your hand? (As the student tells you how many cubes, write ___ – ___ = ___ on the personal white board.) Write the numbers in the blanks that tell what you did with the linking cubes. T: (Connect the cubes, and erase the board. Place both items in front of the student.) Break off a different number this time, and record your work by writing a subtraction sentence. What did the student do? What did the student say?