IXL Math - DoDEA first-grade math standards

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DoDEA

Skills available for DoDEA first-grade math standards

Standards are in black and IXL math skills are in blue. Hold your mouse over the name of a skill to view a sample problem. Click on the name of a skill to practice that skill.

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1.M1 Numbers and Operations

1.M.1a count and group objects into ones and tens up to 100;
1.M.1b position and identify the order of objects using ordinal numbers up to 10;
1.M.1c identify the number of tens and ones in numbers less than 100;
- Counting and number patterns: Counting tens and ones - up to 30 (First grade - A.3)
1.M.1d identify and generate equivalent forms of the same number using concrete objects and number statements;
1.M.1e express the concepts of one-digit whole number addition and subtraction using objects, drawings, number sentences, and verbal explanations;
1.M.1f explain and use the inverse relationship between addition and subtraction to solve problems and check solutions;
- Mixed operations: Fact families (First grade - F.3)
1.M.1g select, explain, and use addition and subtraction strategies to solve real-world problems;
1.M.1h describe using their own words an estimate of the number of objects in groups up to 100 and verify the results;
- Estimating: Estimate to the nearest ten (First grade - H.1)
1.M.1i recognize wholes and parts of wholes, i.e., 1/2, 1/3, and, 1/4.

1.M2 Algebra

1.M.2a sort, classify, and order objects by two or more attributes and explain how objects were sorted;
- Sorting, ordering, and classifying: Venn diagrams (First grade - Q.1)
1.M.2b identify, describe, extend, and create repeating patterns and number sequences;
- Patterns: Recognize patterns (First grade - O.1)
- Patterns: Describe patterns (First grade - O.2)
1.M.2c solve open sentences using the commutative property of addition;
- Addition: Related addition facts (First grade - B.14)
1.M.2d write equations using mathematical symbols;
1.M.2e model and describe problem situations using representations, such as words, objects, number phrases, or sentences;
- Addition: Addition with pictures - sums to 10 (First grade - B.1)
- Subtraction: Subtraction with pictures - numbers up to 10 (First grade - D.1)
1.M.2f model equivalency between sets using concrete materials;

1.M3 Geometry

1.M.3a identify triangles, rectangles, squares, and circles as the faces of three-dimensional objects;
- Geometry: Identify 2-dimensional shapes (First grade - J.1)
- Geometry: Relate planar and solid figures (First grade - J.4)
1.M.3b create new shapes by combining, cutting, or taking apart existing shapes;
1.M.3c give and follow directions to find a place or object;
1.M.3d identify and determine whether two-dimensional shapes are congruent, i.e., same shape and size; or similar, i.e., same shape and proportional size;
- Geometry: Same shape (First grade - J.12)
1.M.3e identify symmetry in objects and figures;
- Geometry: Symmetry (First grade - J.11)
1.M.3f identify geometric shapes and structures in the environment;
- Geometry: Geometry of everyday objects (First grade - J.3)

1.M4 Measurement

1.M.4a identify common instruments used for measurement, i.e., rulers, scales, measuring cups;
- Measurement: Choose the appropriate measuring tool (Second grade - S.8)
1.M.4b measure and differentiate objects using both comparative terms and standard units of measure, e.g., inches, centimeters;
1.M.4c estimate and measure a variety of attributes of objects using standard and nonstandard units;
1.M.4d identify repeating patterns of time, e.g., days of the week, months of the year;
1.M.4e tell time to the hour and half hour using digital and analog timepieces;
1.M.4f order a sequence of events that occur over time;
- Time: Compare clocks (First grade - R.7)
1.M.4g make estimates about the passage of time in events, e.g., tasks being completed, living things growing, etc.
- Time: Choose the appropriate time units (First grade - R.9)

1.M5 Data Analysis and Probability

1.M.5a use interviews and observations to gather data about themselves and their surroundings;
1.M.5b collect, organize, represent, and interpret data using concrete objects, pictures, tallies, and graphs;
1.M.5c compare and contrast similar data sets;
1.M.5d construct questions and make predictions that can be answered by using information from a graph or table.