Students engage in a hands-on addition and subtraction activity which is a wonderful tie-in with ocean studies. The teacher make up subtraction problems in which students may eat their crackers.

Overall Rating:

Grades:

Kindergarten

Students use bean bags, dominos, number trains, counters, paper clips, flashcards, beads and more in a variety of centers to practice basic addition and subtraction facts.

Overall Rating:

Grades:

1st

Students explain how to use estimation, addition, and subtraction in drawing conclusions about the lengths of the rivers. They show a correct estimated sum and difference, and a correct exact sum and difference.

Overall Rating:

Grades:

5th

Students are read-aloud the book Quack and Count while they are called upon to demonstrate various sums of seven. They brainstorm a list of ideas of things that can be combined or added together. They are given unifix cubes to demonstrate various addition facts and record on a Quack Addition recording sheet. They are then permitted to visit various math centers focusing on addition and subtraction facts.

Overall Rating:

Grades:

Kindergarten

Students engage in the study of solving equations using the operations of addition and subtraction. They practice solving a variety of different problems. The lesson plan includes steps that can be used by the teacher for direct instruction.

Overall Rating:

Grades:

7th