Grade 1 · Mathematics

1.2A

Subitize structured arrangements

Recognize instantly the quantity of structured arrangements.

1.2B

Compose/decompose to 120

Use models to compose and decompose numbers up to 120 in more than one way (hundreds, tens, ones).

1.2C

Represent numbers to 120 (forms)

Use objects, pictures, expanded and standard forms to represent numbers up to 120.

1.2D

One more/less to 120

Generate a number that is greater than or less than a given whole number up to 120.

1.2E

Compare numbers to 120 (language)

Use place value to compare whole numbers up to 120 using comparative language.

1.2F

Order numbers to 120

Order whole numbers up to 120 using place value and open number lines.

1.2G

Compare with symbols to 100

Represent the comparison of two numbers to 100 using the symbols >, <, or =.

1.3A

Sums with multiples of 10

Use concrete/pictorial models to determine the sum of a multiple of 10 and a one‑digit number in problems up to 99.

1.3B

Word problems within 20

Use objects and pictorial models to solve addition and subtraction word problems within 20, including comparing sets.

1.3C

Make 10

Compose 10 with two or more addends with and without concrete objects.

1.3D

Basic facts to 20 (strategies)

Apply basic fact strategies to add and subtract within 20 (including make‑10 and decomposing a number leading to a 10).

1.3E

Explain strategies (to 20)

Explain strategies used to solve addition and subtraction problems up to 20 using words, objects, models, and number sentences.

1.3F

Generate problems from equations

Generate and solve problem situations from a given number sentence within 20.

1.4A

Identify U.S. coins

Identify pennies, nickels, dimes, and quarters and describe the relationships among them.

1.4B

Cent symbol

Write a number with the cent symbol (¢) to describe the value of a coin.

1.4C

Count collections of coins

Use counting by 2s, 5s, and 10s to determine the value of a collection of like coins (pennies, nickels, dimes).

1.5A

Count forward/backward 1–120

Recite numbers forward and backward from any given number between 1 and 120.

1.5B

Skip count (2s,5s,10s) to 120

Skip count by twos, fives, and tens to determine totals up to 120 in a set.

1.5C

10 more / 10 less

Use relationships to determine the number that is 10 more and 10 less than a given number up to 120.

1.5D

Represent add/sub word problems

Represent addition and subtraction word problems up to 20 with models and number sentences.

1.5E

Meaning of equals sign

Understand the equal sign as a relationship that shows expressions on each side have the same value(s).

1.5F

Unknown number in equation

Determine the unknown whole number in an addition or subtraction equation.

1.5G

Apply properties to add/sub

Apply properties of operations to add and subtract two or three numbers.

1.6A

Classify & sort 2D figures

Classify and sort regular and irregular two‑dimensional shapes using informal and formal geometric language.

1.6B

Define vs non‑defining attributes

Distinguish between defining and non‑defining attributes of 2D/3D figures.

1.6C

Create 2D figures

Create two‑dimensional figures (circles, triangles, rectangles, squares; special rectangles, rhombuses, hexagons).

1.6D

Identify 2D figures & attributes

Identify 2D figures and describe their attributes using formal geometric language.

1.6E

Identify 3D solids & attributes

Identify three‑dimensional solids (spheres, cones, cylinders, rectangular prisms, triangular prisms) and describe attributes.

1.6F

Compose shapes

Compose 2D shapes by joining two, three, or four figures to make a target shape in more than one way.

1.6G

Partition into halves/fourths

Partition 2D figures into two and four equal shares and describe the parts using words.

1.6H

Examples & non‑examples of halves/fourths

Identify examples and non‑examples of halves and fourths.

1.7A

Measure length (tools/continuous)

Use measuring tools to measure length and reinforce the continuous nature of linear measurement.

1.7B

Length as count of same‑size units

Illustrate that object length equals the number of same‑size units laid end‑to‑end with no gaps/overlaps.

1.7C

Compare with two different units

Measure the same object with two different units and describe how/why measurements differ.

1.7D

Nearest whole unit

Describe a length to the nearest whole unit using a number and a unit.

1.7E

Tell time to hour and half‑hour

Tell time to the hour and half hour using analog and digital clocks.

1.8A

Collect/sort/organize data (≤3 categories)

Collect, sort, and organize data into up to three categories using models such as tally marks or T‑charts.

1.8B

Make picture & bar‑type graphs

Use data to create picture and bar‑type graphs.

1.8C

Answer questions from graphs

Draw conclusions and generate/answer questions using information from picture and bar‑type graphs.

1.9A

Income

Define money earned as income.

1.9B

Income, wants & needs

Identify income as a means to obtain goods/services, often making choices between wants and needs.

1.9C

Spending vs saving

Distinguish between spending and saving.

1.9D

Charitable giving

Consider charitable giving.