# Grade 2: Mathematics A course roadmap (maths). Language: en. By @si. Licence: CC BY-SA 4.0. 0 of 28 concepts ready. In the app: https://ai.page/roadmap/ca-sk-grade-2 Part of: [Saskatchewan: Mathematics](https://ai.page/roadmap/ca-sk.md) Goal: Saskatchewan curriculum: Mathematics, Grade 2 ## 1. Statistics and Probability · Demonstrate understanding of concrete graphs and pictographs. [C, CN, PS, R, V] - [Pictograms and tally charts](https://ai.page/c/pictograms-and-tally-charts/index.md): Interpret and construct simple pictograms, tally charts, block diagrams, and simple tables ## 2. Shape and Space · Demonstrate understanding of the relationship between 2-D shapes and 3-D objects. [C, CN, R, V] - [2-D shapes](https://ai.page/c/2-d-shapes/index.md): Recognise and name common 2-D shapes (circles, triangles, rectangles including squares) - [2-D faces on 3-D shapes](https://ai.page/c/2-d-faces-on-3-d-shapes/index.md): Identify 2-D shapes on the surface of 3-D shapes (e.g. a circle on a cylinder, a triangle on a pyramid) - [Sorting 2-D and 3-D shapes](https://ai.page/c/sorting-2-d-and-3-d-shapes/index.md): Compare and sort common 2-D and 3-D shapes and everyday objects by their properties ## 3. Shape and Space · Describe, compare, and construct 2-D shapes, including: • triangles • squares • rectangles • circles. [C, CN, R, V] - [Composing Shapes](https://ai.page/c/composing-shapes/index.md): Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, quarter-circles) to create composite shapes, and compose new shapes from the composite shape ## 4. Shape and Space · Describe, compare, and construct 3-D objects, including: • cubes • spheres • cones • cylinders • pyramids. [C, CN, R, V] - [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) - [Building with 3-D Shapes](https://ai.page/c/building-with-3-d-shapes/index.md): Compose three-dimensional shapes (cubes, right rectangular prisms, right circular cones, right circular cylinders) and create composite shapes; build new shapes from component shapes ## 5. Shape and Space · Demonstrate understanding of non-standard units for measurement of mass by: • describing the choice and appropriate use of nonstandard units • estimating • measuring • comparing and - [Measuring mass and weight](https://ai.page/c/measuring-mass-and-weight/index.md): Measure and begin to record mass/weight using non-standard and standard units ## 6. Shape and Space · Demonstrate understanding of nonstandard units for linear measurement by: • describing the choice and appropriate use of nonstandard units • estimating • measuring • comparing and an - [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 ## 7. Patterns and Relations · Demonstrate understanding of equality and inequality concretely and pictorially (0 to 100) by: • relating equality and inequality to balance • comparing sets • recording equal - [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) - [Patterns & Sequences](https://ai.page/c/patterns-and-sequences/index.md): Order and arrange combinations of mathematical objects in patterns and sequences - [What the equals sign means](https://ai.page/c/what-the-equals-sign-means/index.md): Understand the meaning of the equal sign as 'is the same as' and determine if equations are true or false - [Comparing and ordering measurements](https://ai.page/c/comparing-and-ordering-measurements/index.md): Compare and order lengths, mass, and capacity and record results using >, <, and = ## 8. Patterns and Relations · Demonstrate understanding of increasing patterns by: • describing • reproducing • extending • creating patterns using manipulatives, pictures, sounds, and actions (numbers to - [Shape patterns](https://ai.page/c/shape-patterns/index.md): Look for and use mathematical structure: apply properties of operations, place-value patterns, and relationships between shapes to solve problems efficiently - [Extending Table Patterns](https://ai.page/c/extending-table-patterns/index.md): Recognise and use repeated reasoning to generalise: extend multiplication table patterns, derive unknown facts from known ones, and describe rules for sequences ## 9. Number · Demonstrate understanding of addition (limited to 1 and 2-digit numerals) with answers to 100 and the corresponding subtraction by: • representing strategies for adding and subtracting concre - [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 - [Mental and written addition and subtraction](https://ai.page/c/mental-and-written-addition-and-subtraction/index.md): Solve addition and subtraction problems using mental and written methods, including problems involving numbers, quantities, and measures - [Numbers on a number line](https://ai.page/c/numbers-on-a-number-line/index.md): Represent whole numbers as lengths on a number line and represent sums and differences within 100 on a number line diagram - [Numbers on a number line](https://ai.page/c/numbers-on-a-number-line-3/index.md): Select and use appropriate tools and representations (number lines, hundred squares, rulers, part-whole models) to support problem-solving - [Addition and subtraction within 1000](https://ai.page/c/addition-and-subtraction-within-1000/index.md): Add and subtract within 1000 using concrete models, drawings, and strategies based on place value; understand composing and decomposing tens and hundreds - [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 ## 10. Number · Demonstrate understanding of whole numbers to 100 (concretely, pictorially, physically, orally, in writing, and symbolically) by: • representing (including place value) • describing • skip co - [Representing Numbers](https://ai.page/c/representing-numbers/index.md): Identify, represent, and estimate numbers using different representations including the number line - [Place value of each digit](https://ai.page/c/place-value-of-each-digit/index.md): Recognise the place value of each digit in a four-digit number (thousands, hundreds, tens, and ones) - [The two digits of a two-digit number](https://ai.page/c/the-two-digits-of-a-two-digit-number/index.md): Understand that the two digits of a two-digit number represent amounts of tens and ones - [Odd or Even](https://ai.page/c/odd-or-even/index.md): Determine whether a group of objects (up to 20) has an odd or even number of members - [Comparing Large Numbers](https://ai.page/c/comparing-large-numbers/index.md): Order and compare numbers beyond 1000 - [Number Words to 100](https://ai.page/c/number-words-to-100/index.md): Read and write numbers to at least 100 in words - [The multiples of 100](https://ai.page/c/the-multiples-of-100/index.md): Understand that the multiples of 100 (100–900) each represent a number of hundreds with 0 tens and 0 ones ## Health: 0 of 100 Of its 28 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): - Pictograms and tally charts has no explanation yet - 2-D shapes has no explanation yet - 2-D faces on 3-D shapes comes before 3-D shapes, which it needs - 2-D faces on 3-D shapes has no explanation yet - Sorting 2-D and 3-D shapes has no explanation yet - Composing Shapes has no explanation yet - 3-D shapes has no explanation yet - Building with 3-D Shapes has no explanation yet - Measuring mass and weight has no explanation yet - Measuring with different units has no explanation yet - Connecting Representations has no explanation yet - Patterns & Sequences has no explanation yet - What the equals sign means has no explanation yet - Comparing and ordering measurements has no explanation yet - Shape patterns has no explanation yet - Extending Table Patterns has no explanation yet - Adding two two-digit numbers has no explanation yet - Mental and written addition and subtraction has no explanation yet - Numbers on a number line has no explanation yet - Numbers on a number line has no explanation yet - Addition and subtraction within 1000 has no explanation yet - Adding numbers has no explanation yet - Representing Numbers has no explanation yet - Place value of each digit has no explanation yet - The two digits of a two-digit number has no explanation yet - Odd or Even has no explanation yet - Comparing Large Numbers has no explanation yet - Number Words to 100 has no explanation yet - The multiples of 100 has no explanation yet Credit: The structure of Saskatchewan curriculum: Mathematics (https://curriculum.gov.sk.ca/CurriculumHome?id=153); 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.