Missouri State Standards for Mathematics: Grade 1

MO.N.1. Number and Operations: Understand numbers, ways of representing numbers, relationships among numbers and number systems.

N.1.A. Read, write and compare numbers: read, write and compare whole numbers less than 100 (DOK 1; MA5 1.10)

N.1.B. Represent and use rational numbers: recognize 1/2 and 1/4 of a shape (DOK 1; MA5 5)

N.1.C. Compose and decompose numbers: compose or decompose whole numbers up to 20 using multiple strategies such as known facts, doubles and close to doubles, tens, and one place value (DOK 2; MA1 1.6)

N.1.D. Classify and describe numeric relationships: skip count by 2s, 5s and 10s (DOK 1; MA5 1.6)

MO.N.2. Number and Operations: Understand meanings of operations and how they relate to one another.

N.2.A. Represent operations: represent/model a given situation involving addition and subtraction of whole numbers using pictures, objects, or symbols (DOK 2; MA1 1.10)

MO.N.3. Number and Operations: Compute fluently and make reasonable estimates.

N.3.A. Describe or represent mental strategies: describe or represent the mental strategy used to compute addition and subtraction problems (DOK 2; MA1 3.2)

N.3.B. Develop and demonstrate fluency: use strategies to develop fluency with basic number relationships of addition and subtraction for sums up to 20 (DOK 1; MA1 1.6)

N.3.C. Compute problems: apply and describe the strategy used to solve addition or subtraction problems (DOK 2; MA1 3.2)

MO.A.1. Algebraic Relationships: Understand patterns, relations and functions.

A.1.A. Recognize and extend patterns: extend patterns of sound, shape, motion or a simple numeric pattern (DOK 2; MA4 1.6)

A.1.B. Create and analyze patterns: describe how simple repeating patterns are generated (DOK 2; MA4 1.6)

MO.A.2. Algebraic Relationships: Represent and analyze mathematical situations and structures using algebraic symbols.

A.2.A. Represent mathematical situations: using addition or subtraction, represent a mathematical situation as an expression or number sentence (DOK 2; MA4 1.10)

A.2.B. Describe and use mathematical manipulation: apply the commutative and associative properties of addition to whole numbers (DOK 2; MA4 1.10)

MO.A.3. Algebraic Relationships: Use mathematical models to represent and understand quantitative relationships.

A.3.A. Use mathematical models: model situations that involve the addition of whole numbers, using pictures, objects or symbols (DOK 2; MA1 1.6)

MO.G.1. Geometric and Spatial Relationships: Specify locations and describe spatial relationships using coordinate geometry and other representational systems.

G.1.A. Describe and use geometric relationships: identify, name and describe 2- and 3-dimensional shapes using physical models (circle, triangle, trapezoid, rectangle, rhombus, sphere, rectangular, prism, cylinder, pyramid) (DOK 2; MA2 1.10)

G.1.C. Compose and decompose shapes: use models to compose and decompose 2-dimensional shapes (DOK 2; MA2 1.6)

MO.G.2. Geometric and Spatial Relationships: Specify locations and describe spatial relationships using coordinate geometry and other representational systems.

G.2.A. Use coordinate systems: describe, name and interpret relative positions in space (left, right) (DOK 2; MA2 1.10)

MO.G.3. Geometric and Spatial Relationships: Apply transformations and use symmetry to analyze mathematical situations.

G.3.A. Use transformations on objects: use manipulatives to model flips (DOK 2; MA2 1.6)

G.3.D. Use symmetry: recognize shapes that have symmetry (DOK 1; MA2 1.10)

MO.M.1. Measurement: Understand measurable attributes of objects and the units, systems and processes of measurement.

M.1.A. Determine unit of measurement: select the appropriate tool for the attribute being measured (size, temperature, time, weight) (DOK 2; MA2 3.1)

M.1.C. Tell and use units of time: tell time to the nearest half hour (DOK 1; MA2 1.10)

M.1.D. Count and compute money: count money to a dollar, including half dollars (DOK 2; MA1 1.10)

MO.M.2. Measurement: Apply appropriate techniques, tools and formulas to determine measurements.

M.2.A. Use standard or non-standard measurement: use repetition of a single unit to measure something larger than the unit, (e.g. length of book with paper clips) (DOK 1; MA2 1.10)

MO.D.1. Data and Probability: Formulate questions that can be dressed with data and collect, organize, and display relevant data to answer them

D.1.A. Formulate questions: pose questions and gather data about themselves and their surroundings (DOK 3; MA3 1.2)

D.1.B. Classify and organize data: sort and classify items according to their attributes (DOK 3; MA2 1.8)

D.1.C. Represent and interpret data: represent one-to-one correspondence data using pictures and bar graphs (DOK 2; MA3 1.8)