Introduction to Multiplication: Equal Groups
23 Weeks

Common Core Standards
Operations and Algebraic Thinking
Work with equal groups of objects to gain foundations for multiplication.
CCSS.MATH.CONTENT.2.OA.C.3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
CCSS.MATH.CONTENT.2.OA.C.4
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.
Operations and Algebraic Thinking
Work with equal groups of objects to gain foundations for multiplication.
CCSS.MATH.CONTENT.2.OA.C.3
Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
CCSS.MATH.CONTENT.2.OA.C.4
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.
Choose from the collection of math experiences below.
Spend about 2  3 weeks on these introductory experiences.
The lessons are sequenced in order of importance. Do as many as you can.
Investigations Unit 8  Odd and Even and Equal Groups Lessons

Additional Resources 