Arrays and Addition Worksheet
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.
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About this resource
Description
Rectangular arrays are the bridge between counting one square at a time and adding equal groups, and that is exactly the jump this arrays and addition worksheet is built to support. When a second grader looks at a picture of three rows with five squares in each row, the goal is no longer to count to fifteen. The goal is to see three equal groups of five and to record what the eye already noticed as 5 + 5 + 5 = 15. That habit of reading structure instead of counting singles is what makes later work with multiplication feel familiar rather than brand new.
This printable repeated addition arrays worksheet gives students four arrays inside clean, separated cards, with one wide writing line under each picture. Students look at the array, decide how many rows it has and how many squares sit in each row, and write an addition sentence with the total. Two applied word problems follow, and those problems deliberately show no picture at all, so the child has to build the array mentally from the sentences before writing the equation. Use it as morning work, as a small-group warm up before a multiplication unit, or as a quick check after a hands-on lesson with square tiles.
What’s Included
- 1 print-ready PDF worksheet
- Answer key
- 4 array cards plus 2 applied word problems
Three things make this arrays and addition worksheet worth the ten minutes it takes. First, every array is drawn on one shared square size, so the pictures differ only in how they are arranged and never hint at which answer is longer. Second, the sentence a student writes keeps the row structure visible, which is what turns a drawing into mathematics a teacher can actually assess. Third, the two word problems move the same skill off the page and into a real situation, so students practice choosing the equation instead of copying one.
Teachers and parents can stretch the skill further with square tiles, snap cubes, or an egg carton: ask a child to build five rows of two and then say the addition sentence out loud before writing anything. Arrays are everywhere once you start looking for them, from muffin tins and window panes to garden rows and sticker sheets, so a short walk around the classroom or kitchen usually turns up four or five to name. Photographing the ones students find and posting them beside their equations makes a display that keeps the skill alive all month.
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