IXL Math - North Dakota first-grade math standards

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North Dakota

Skills available for North Dakota first-grade math standards

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1.1 Number and Operation

Number, Number Relationships, and Number Systems
1.1.1 Count and order numbers to 100
1.1.2 Identify and write numerals to 100
1.1.3 Count backward from 20
- Counting and number patterns: Counting forward and backward (First grade - A.8)
1.1.4 Count by 2's to 20, and 10's to 100
1.1.5 Group objects by 2's, 5's, and 10's
1.1.6 Identify position using ordinal numbers
1.1.7 Connect number words and numerals to the quantities they represent (0 - 10)
- Counting and number patterns: Writing numbers in words (First grade - A.16)
1.1.8 Represent and explain fractions (i.e., one half, one fourth) as part of a whole and part of a set using concrete materials/drawings
1.1.9 Identify place value for ones and tens
1.1.10 Compare two digit numbers using symbols; i.e., >, <, =
- Comparing: Comparing numbers up to 10 (First grade - G.2)
- Comparing: Comparing numbers up to 100 (First grade - G.3)
1.1.11 Use grade-appropriate terms when communicating about addition and subtraction; i.e., sum, difference
- Vocabulary: Sum and difference (Kindergarten - T.1)
Operations and Their Properties
1.1.12 Use symbols to write addition and subtraction number sentences; i.e., +, -, =
Computational Fluency and Estimation
1.1.13 Recall addition facts and subtraction facts (0- 10)
1.1.14 Estimate the number of objects and check by counting
- Estimating: Estimate to the nearest ten (First grade - H.1)

1.2 Geometry and Spatial Sense

Two- and Three-Dimensional Shapes, Geometric Properties and Relationships
1.2.1 Identify, compare, draw, and sort two-dimensional figures; i.e., circle, triangle, rectangle, square, oval, and diamond
1.2.2 Identify three-dimensional objects; i.e., pyramid, cube, cone, cylinder, sphere
- Geometry: Identify 3-dimensional figures (First grade - J.2)
- Geometry: Geometry of everyday objects (First grade - J.3)
Transformation and Symmetry
1.2.3 Identify lines of symmetry in two-dimensional figures
Visualization, Spatial Reasoning, and Geometric Modeling
1.2.4 Arrange and describe objects in space by proximity, position, and direction; e.g., near, far, below, above, up, down, behind, in front of, next to, left or right of

1.3 Data Analysis, Statistics, and Probability

Data Collection, Display, and Interpretation
1.3.1 Identify and display various forms of data in their world using charts and graphs; e.g., tally charts and bar graphs
1.3.2 Read and interpret tally charts and picture graphs as sources of information
- Data and graphs: Interpret data in tally charts, picture graphs, tables (First grade - L.2)
1.3.3 Sort objects by common attribute
- Geometry: Same shape (First grade - J.12)

1.4 Measurement

Measurable Attributes, Measurement Systems and Units
1.4.1 Use the days of the week to show knowledge of yesterday, today, and tomorrow
- Time: Days of the week (First grade - R.1)
1.4.2 Tell time to the hour and half-hour using digital and analog clocks
1.4.3 Estimate, and verify by measuring, length, weight, or capacity using nonstandard units
1.4.4 Estimate, and verify by measuring, length to the nearest inch, foot, and centimeter
- Measurement: Which unit of length is appropriate? (First grade - M.2)
1.4.5 Identify a penny, nickel, dime, and quarter and state its value
- Money: Money names and values (First grade - N.1)
1.4.6 Count a like set of pennies, nickels, or dimes to $1.00
1.4.7 Demonstrate that different combinations of coins (i.e., pennies, nickels and dimes) can have the same value
1.4.8 Sequence events with respect to time; e.g., yesterday, today, tomorrow, seasons
Measurement Tools, Techniques and Formulas
1.4.9 Identify the appropriate tool used to measure length (i.e., ruler), weight (i.e., scale), time (i.e., clock, calendar) and temperature (i.e., thermometer)
- Measurement: Read a thermometer (First grade - M.1)
- Time: Read a calendar (First grade - R.11)

1.5 Algebra, Functions, and Patterns

Patterns, Relations, and Functions
1.5.1 Identify, sort, and classify objects by two or more attributes
- Sorting, ordering, and classifying: Venn diagrams (First grade - Q.1)
1.5.2 Recognize, extend, create, and describe patterns
- Patterns: Recognize patterns (First grade - O.1)
- Patterns: Describe patterns (First grade - O.2)
Numeric and Algebraic Representations
1.5.3 Demonstrate the commutative property of addition; e.g., 3+5 = 5+3
- Properties: Solve inequalities using addition and subtraction shortcuts (Second grade - K.5)