1 More, 1 Less, 10 More, 10 Less (Math Activity) - Teacher Advisor With Watson

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Fluency Activity

1 More, 1 Less, 10 More, 10 Less

EngageNY4 min(s)

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Problem Set

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2 Content Standards are aligned with this activity

1.OA.C.5
1.NBT.C.5

Major StandardsSupporting StandardsAdditional Standards

Standard 1.OA.C.5

Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Part of Major Cluster 1.OA.C

Prerequisites for 1.OA.C.5

Kindergarten

Understand that each successive number name refers to a quantity that is one larger.

Upcoming Standards for 1.OA.C.5

1st Grade

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).

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