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Arrays: rows and columns: 2nd grade math

Arrays up to 5×5 as repeated addition. A free 2nd grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.

Lesson plan

Goal

  • Students can do this: arrays up to 5×5 as repeated addition.

Teach (10 min)

  • Each row has the same number of squares.
  • Add that number once for every row.
  • Work one example on the board while students say each step aloud, then do one together.

Practise (15 min)

  • Students work the printable sheet in pairs, then alone.
  • Or practise it as a game with no sign-up: https://peabody.kids/math/geom.array?lesson=2-geom-array-2&at=2

Exit ticket (5 min)

  • Use the first three questions on the printable sheet as a slip.

Printable sheet

Name: ____________________   Date: ____________

Arrays: rows and columns (2nd grade)

  1. A rectangle is cut into 2 rows of squares, with 6 squares in each row. How many squares are in the rectangle?
  2. How many squares are in this rectangle? It is cut into rows and columns of squares.
  3. A rectangle is made of squares: 4 rows, with 4 squares in each row. Which addition adds up the rows (the same number 4 times)?
  4. How many squares are in this rectangle? It is cut into rows and columns of squares.
  5. A rectangle is cut into 2 rows of squares, with 3 squares in each row. How many squares are in the rectangle?
  6. A rectangle is made of squares: 4 rows, with 6 squares in each row. Which addition adds up the rows (the same number 4 times)?
  7. A rectangle is cut into 3 rows of squares, with 2 squares in each row. How many squares are in the rectangle?
  8. How many squares are in this rectangle? It is cut into rows and columns of squares.
  9. A rectangle is cut into 5 rows of squares, with 5 squares in each row. How many squares are in the rectangle?
  10. How many squares are in this rectangle? It is cut into rows and columns of squares.
  11. A rectangle is made of squares: 2 rows, with 3 squares in each row. Which addition adds up the rows (the same number 2 times)?
  12. A rectangle is cut into 3 rows of squares, with 4 squares in each row. How many squares are in the rectangle?
Key
  1. 12
  2. 15
  3. 4 + 4 + 4 + 4
  4. 9
  5. 6
  6. 6 + 6 + 6 + 6
  7. 6
  8. 15
  9. 25
  10. 10
  11. 3 + 3
  12. 12

Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.