# Grade 2: Mathematics A course roadmap (maths). Language: en. By @si. Licence: CC BY-SA 4.0. 0 of 22 concepts ready. In the app: https://ai.page/roadmap/mn-grade-2 Part of: [Minnesota: Mathematics](https://ai.page/roadmap/mn.md) Goal: Minnesota academic standards: Mathematics, Grade 2 ## 1. Geometry & Measurement · Use time and money in real-world and mathematical situations. - [Halves and quarters (age 7+)](https://ai.page/c/halves-and-quarters-age-7/index.md): Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately - [Telling Time: Hours and Half Hours](https://ai.page/c/telling-time-hours-and-half-hours/index.md): Tell the time to the hour and half past the hour, and draw clock hands to show these times - [Telling Time: Minutes](https://ai.page/c/telling-time-minutes/index.md): Tell and write the time to five minutes, including quarter past and quarter to, and draw clock hands to show these times - [Telling time to the minute (age 7+)](https://ai.page/c/telling-time-to-the-minute-age-7/index.md): Tell and write time from analogue and digital clocks to the nearest five minutes, using a.m., p.m., and 12-hour and 24-hour notation ## 2. Geometry & Measurement · Understand length as a measurable attribute; use tools to measure length. - [Measuring length (age 7+)](https://ai.page/c/measuring-length-age-7/index.md): Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, metre sticks, and measuring tapes - [Measuring with different units](https://ai.page/c/measuring-with-different-units/index.md): Measure the length of an object using two different length units and describe how the measurements relate to the size of the unit chosen - [Comparing lengths by measuring](https://ai.page/c/comparing-lengths-by-measuring/index.md): Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit ## 3. Geometry & Measurement · Identify, describe and compare basic shapes according to their geometric attributes. - [3-D shapes](https://ai.page/c/3-d-shapes/index.md): Recognise and name common 3-D shapes (cubes, cuboids, pyramids, spheres, cylinders, cones) - [2-D shapes](https://ai.page/c/2-d-shapes/index.md): Recognise and name common 2-D shapes (circles, triangles, rectangles including squares) - [Edges, vertices, and faces](https://ai.page/c/edges-vertices-and-faces/index.md): Identify and describe properties of 3-D shapes including the number of edges, vertices, and faces ## 4. Algebra · Use number sentences involving addition, subtraction and unknowns to represent and solve real-world and mathematical problems; create real-world situations corresponding to number sentences. - [Connecting maths to real life](https://ai.page/c/connecting-maths-to-real-life/index.md): Represent real-world problems with number sentences, bar models, or diagrams, and interpret the mathematical result back in context - [Connecting Representations](https://ai.page/c/connecting-representations/index.md): Move between real-world situations, drawings, and number sentences, explaining how each representation connects to the others (quantitative reasoning) ## 5. Algebra · Recognize, create, describe, and use patterns and rules to solve real-world and mathematical problems. - [Patterns & Sequences](https://ai.page/c/patterns-and-sequences/index.md): Order and arrange combinations of mathematical objects in patterns and sequences ## 6. Number & Operation · Demonstrate mastery of addition and subtraction basic facts; add and subtract one- and two-digit numbers in real-world and mathematical problems. - [Adding numbers](https://ai.page/c/adding-numbers/index.md): Add up to four two-digit numbers using strategies based on place value and properties of operations - [Adding two two-digit numbers](https://ai.page/c/adding-two-two-digit-numbers/index.md): Add and subtract two two-digit numbers using concrete objects, pictorial representations, and mental methods ## 7. Number & Operation · Compare and represent whole numbers up to 1000 with an emphasis on place value and equality. - [Ordering Numbers to 1000](https://ai.page/c/ordering-numbers-to-1000/index.md): Compare and order numbers up to 1000 using >, =, and < symbols, based on place-value understanding - [Representing Numbers](https://ai.page/c/representing-numbers/index.md): Identify, represent, and estimate numbers using different representations including the number line - [Numbers to 10,000](https://ai.page/c/numbers-to-10-000/index.md): Identify, represent, and estimate numbers up to 10,000 using different representations - [Comparing Large Numbers](https://ai.page/c/comparing-large-numbers/index.md): Order and compare numbers beyond 1000 - [Rounding to 10, 100, 1000](https://ai.page/c/rounding-to-10-100-1000/index.md): Round any number to the nearest 10, 100, or 1000 - [10 or 100 More or Less](https://ai.page/c/10-or-100-more-or-less/index.md): Find 10 or 100 more or less than a given number up to 1000 - [Place Value to 1000](https://ai.page/c/place-value-to-1000/index.md): Solve number problems and practical problems involving place value of numbers up to 1000 ## Health: 0 of 100 Of its 22 own concepts: 0 have an explanation, 0 have practice, 0 have a measurement question, 0 have a checked version. Findings (each is a task for anyone's AI): - Halves and quarters (age 7+) has no explanation yet - Telling Time: Hours and Half Hours has no explanation yet - Telling Time: Minutes has no explanation yet - Telling time to the minute (age 7+) has no explanation yet - Measuring length (age 7+) has no explanation yet - Measuring with different units has no explanation yet - Comparing lengths by measuring has no explanation yet - 3-D shapes has no explanation yet - 2-D shapes has no explanation yet - Edges, vertices, and faces has no explanation yet - Connecting maths to real life has no explanation yet - Connecting Representations has no explanation yet - Patterns & Sequences has no explanation yet - Adding numbers has no explanation yet - Adding two two-digit numbers has no explanation yet - Ordering Numbers to 1000 has no explanation yet - Representing Numbers has no explanation yet - Numbers to 10,000 has no explanation yet - Comparing Large Numbers has no explanation yet - Rounding to 10, 100, 1000 has no explanation yet - 10 or 100 More or Less has no explanation yet - Place Value to 1000 has no explanation yet Credit: The structure of Minnesota academic standards: Mathematics (http://education.state.mn.us/MDE/EdExc/StanCurri/K-12AcademicStandards/Math/index.html); concepts from the Marble Skill Taxonomy (v1), © Generative Spark, Inc. (withmarble.com), text CC BY-SA 4.0, database ODbL 1.0: https://github.com/withmarbleapp/os-taxonomy, mapped to its standards by Marble.