This Adding and Arrays Worksheet asks 2nd grade students to write a number sentence for six arrays and two story problems. An answer key is included, so practice with equal rows takes only minutes.

This Using Arrays to Write Addition Equations Worksheet has 2nd grade students count equal rows of apples and write a number sentence for each array. An answer key is included.

This arrays and addition worksheet asks 2nd graders to read four rectangular arrays and write a repeated addition sentence for each one. An answer key is included, so checking equal-group work takes seconds.