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Unit 6, Lesson 10

Use square tiles to compose a rectangle, and relate to the array model

EngageNY 60 min(s)

In this lesson, students use their prior knowledge of making equal groups and the spatial relationship between rows and columns to construct rectangular arrays. They use tiles to create rectangular arrays that show equal rows or columns (up to 5 by 5).

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Other lessons from Unit 6 in Grade 2 by EngageNY

Previous Lesson

Unit 6, Lesson 9

Solve word problems involving addition of equal groups in rows and columns

60 min(s)

Next Lesson

Unit 6, Lesson 11

Use square tiles to compose a rectangle, and relate to the array model

60 min(s)

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2 Content Standards are aligned with this lesson

2.OA.C.4
2.G.A.2

Major StandardsSupporting StandardsAdditional Standards

Standard 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.

Part of Supporting Cluster 2.OA.C

1 Math Practice Standard is aligned with this lesson

Standard MP.4

Model with mathematics.

Prerequisites for 2.OA.C.4

1st Grade

1.OA.D.7

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.

Upcoming Standards for 2.OA.C.4

3rd Grade

3.OA.A.1

Interpret products of whole numbers, e.g., interpret 5 x 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 x 7.

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