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Contenido principal

STANDARDS

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US-KY

Math

Kentucky Math

Grade 1: Operations and Algebraic Thinking

Cluster: Represent and solve problems using addition and subtraction.

1.OA.1

Fully covered
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart and comparing, with unknowns in all positions. (MP.1, MP.2)

1.OA.2

Not covered
Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, by using objects, drawings and equations with a symbol for one unknown number to represent the problem. (MP.1, MP.4, MP.5)
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Cluster: Understand and apply properties of operations and the relationship between addition and subtraction.

1.OA.3

Not covered
Apply properties of operations as strategies to add and subtract. (MP.2, MP.7)
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1.OA.4

Not covered
Understand subtraction as an unknown-addend problem. (MP.2, MP.7)
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Cluster: Add and subtract within 20.

1.OA.5

Not covered
Relate counting to addition and subtraction. (MP.5, MP.8)
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1.OA.6

Add and subtract within 20. (MP.2, MP.7, MP.8)

1.OA.6.a

Mostly covered
Fluently add and subtract within 10.

1.OA.6.b

Mostly covered
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making 10; decomposing a number leading to a 10; using the relationship between addition and subtraction; creating equivalent but easier or known sums.

Cluster: Work with addition and subtraction equations.

1.OA.7

Not covered
Understand the meaning of the equal sign and determine if equations involving addition and subtraction are true or false. (MP.2, MP.3)
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1.OA.8

Not covered
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. (MP.1, MP.2)
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