Lesson 1

Investigating Perimeter and Area

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Task

  1. This is a magic square. All rows, columns, and diagonals sum to 30.
  2. This is not a magic square. The sum in the first two rows is 75, but the sum in the last row and the middle column is 65.
  3. This is a magic square. All rows, columns, and diagonals sum to 36.

B. Magic Squares or Not?

In a magic square, the sums of the rows, columns, and diagonals are all the same.

Which of the following are magic squares?