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Contenido principal

STANDARDS

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US-GA

Math

Georgia Math

Grade 1: Numerical Reasoning – Counting, Numbers, Equality, Place Value, Addition, Subtraction

1.NRa.1

Extend the count sequence to 120. Read, write, and represent numerical values to 120 and compare numerical values to 100.

1.NR.1.1

Not covered
Count within 120, forward and backward, starting at any number. In this range, read and write numerals and represent a number of objects with a written numeral.
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1.NR.1.2

Not covered
Explain that the two digits of a 2-digit number represent the amounts of tens and ones.
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1.NR.1.3

Fully covered
Compare and order whole numbers up to 100 using concrete models, drawings, and the symbols >, =, and <.

1.NRa.2

Explain the relationship between addition and subtraction and apply the properties of operations to solve real-life addition and subtraction problems within 20.

1.NR.2.1

Mostly covered
Use a variety of strategies to solve addition and subtraction problems within 20.

1.NR.2.2

Mostly covered
Use pictures, drawings, and equations to develop strategies for addition and subtraction within 20 by exploring strings of related problems.

1.NR.2.3

Mostly covered
Recognize the inverse relationship between subtraction and addition within 20 and use this inverse relationship to solve authentic problems.

1.NR.2.4

Mostly covered
Fluently add and subtract within 10 using a variety of strategies.

1.NR.2.5

Partially covered
Use the meaning of the equal sign to determine whether equations involving addition and subtraction are true or false.

1.NR.2.6

Not covered
Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers.
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1.NR.2.7

Mostly covered
Apply properties of operations as strategies to solve addition and subtraction problem situations within 20.