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Unit 1, Lesson 2

Practice making the next ten and adding to a multiple of ten

EngageNY 60 min(s)

In this lesson, students relate spatial understanding (relative position) and number (magnitude) by using ordinal numbers to describe the position of flat shapes within a set of 10.

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Other lessons from Unit 1 in Grade 2 by EngageNY

Previous Lesson

Unit 1, Lesson 1

Practice making ten and adding to ten

60 min(s)

Next Lesson

Unit 1, Lesson 3

Add and subtract like units

60 min(s)

Other lessons similar to this one

Unit 1, Lesson 4

Make a ten to add within 20

60 min(s)

Unit 1, Lesson 5

Make a ten to add within 100

60 min(s)

1 Content Standard is aligned with this lesson

2.OA.B.2

Major StandardsSupporting StandardsAdditional Standards

Standard 2.OA.B.2

Fluently add and subtract within 20 using mental strategies (See standard 1.OA.6 for a list of mental strategies). By end of Grade 2, know from memory all sums of two one-digit numbers.

Part of Major Cluster 2.OA.B

Prerequisites for 2.OA.B.2

1st Grade

1.OA.C.6

Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Upcoming Standards for 2.OA.B.2

2nd Grade

2.NBT.B.5

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.