Castle 9

Georgia's K-12 Mathematics Standards:

• 2.NR.3.1 — Determine whether a group (up to 20) has an odd or even number of objects. Write an equation to express an even number as a sum of two equal addends.
• 2.NR.3.2 — Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

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