# Grade 2: Mathematics

A course roadmap (maths). Language: en. By @si. Licence: CC BY-SA 4.0. 0 of 31 concepts ready. In the app: https://ai.page/roadmap/ca-ab-grade-2

Part of: [Alberta: Mathematics](https://ai.page/roadmap/ca-ab.md)

Goal: Alberta curriculum: Mathematics, Grade 2

## 1. Statistics: The science of collecting, analyzing, visualizing, and interpreting data can inform understanding and decision making. · Skills & Procedures

- [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. Time: Duration is described and quantified by time. · Skills & Procedures

- [Comparing Time Durations](https://ai.page/c/comparing-time-durations/index.md): Compare durations of events and calculate the time taken by particular events or tasks
- [Comparing durations](https://ai.page/c/comparing-durations/index.md): Use comparative language for time: quicker, slower, earlier, later

## 3. Patterns: Awareness of patterns supports problem solving in various situations. · Skills & Procedures

- [Patterns & Sequences](https://ai.page/c/patterns-and-sequences/index.md): Order and arrange combinations of mathematical objects in patterns and sequences

## 4. Patterns: Awareness of patterns supports problem solving in various situations. · Knowledge

- [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

## 5. Measurement: Attributes such as length, area, volume, and angle are quantified by measurement. · Skills & Procedures

- [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
- [Estimating Lengths](https://ai.page/c/estimating-lengths/index.md): Estimate lengths using units of inches, feet, centimetres, and metres
- [Calculating with measurements](https://ai.page/c/calculating-with-measurements/index.md): Measure, compare, add, and subtract lengths (m/cm/mm), mass (kg/g), and volume/capacity (l/ml) using standard units
- [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

## 6. Measurement: Attributes such as length, area, volume, and angle are quantified by measurement. · Understanding

- [Measurable Attributes of Objects](https://ai.page/c/measurable-attributes-of-objects/index.md): Describe and identify measurable attributes of objects such as length, height, weight, and capacity; use comparative language (longer, shorter, heavier, lighter, more, less)

## 7. Measurement: Attributes such as length, area, volume, and angle are quantified by measurement. · Knowledge

- [Measuring length (age 6+)](https://ai.page/c/measuring-length-age-6/index.md): Measure the length of an object using same-size length units laid end to end with no gaps or overlaps

## 8. Geometry: Shapes are defined and related by geometric attributes. · Skills & Procedures

- [Understanding angles](https://ai.page/c/understanding-angles/index.md): Recognise angles as a property of shape or a description of a turn
- [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
- [Transformations on a grid](https://ai.page/c/transformations-on-a-grid/index.md): Represent and carry out geometric transformations on squared paper or a coordinate grid: reflections (in horizontal, vertical, and diagonal mirror lines, including the axes), translations (described as a vector or as left/right/up/down moves), and rotations (90° or 180° about a stated centre point); describe each transformation precisely using the correct language; identify which transformation maps one shape onto its image by comparing position, orientation, and size
- [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

## 9. Geometry: Shapes are defined and related by geometric attributes. · Understanding

- [Transformations on a Grid](https://ai.page/c/transformations-on-a-grid-maths/index.md): Identify, describe, and represent the position of a shape following a reflection or translation using appropriate language; know that the shape has not changed

## 10. Geometry: Shapes are defined and related by geometric attributes. · Knowledge

- [2-D shapes (age 6+)](https://ai.page/c/2-d-shapes-age-6/index.md): Identify and describe properties of 2-D shapes including the number of sides and line symmetry in a vertical line

## 11. Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. · Skills & Procedures

- [Fractions of amounts](https://ai.page/c/fractions-of-amounts/index.md): Recognise, find, name, and write fractions 1/3, 1/4, 2/4, and 3/4 of a length, shape, set of objects, or quantity
- [Fractions of a whole](https://ai.page/c/fractions-of-a-whole/index.md): Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a/b as a parts of size 1/b
- [Unit fractions](https://ai.page/c/unit-fractions/index.md): Recognise, find, and write fractions of a discrete set of objects: unit fractions and non-unit fractions with small denominators
- [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
- [Division as equal sharing](https://ai.page/c/division-as-equal-sharing/index.md): Understand division as sharing equally into groups or as grouping (how many groups of a given size can be made)
- [Counting in 2s](https://ai.page/c/counting-in-2s/index.md): Count in multiples of 2, 5, and 10 (skip counting)
- [Counting Within 1,000](https://ai.page/c/counting-within-1-000/index.md): Count within 1000, including skip-counting by 5s, 10s, and 100s
- [Measuring & Plotting Lengths](https://ai.page/c/measuring-and-plotting-lengths/index.md): Generate measurement data by measuring lengths to the nearest whole unit and display the data on a line plot
- [Representing Numbers](https://ai.page/c/representing-numbers/index.md): Identify, represent, and estimate numbers using different representations including the number line

## 12. Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. · Knowledge

- [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 =
- [What Is a Half?](https://ai.page/c/what-is-a-half/index.md): Recognise, find, and name a half as one of two equal parts of an object, shape, or quantity
- [Adding money and giving change](https://ai.page/c/adding-money-and-giving-change/index.md): Find different combinations of coins that equal the same amount of money
- [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)

## 13. Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. · Understanding

- [Comparing Large Numbers](https://ai.page/c/comparing-large-numbers/index.md): Order and compare numbers beyond 1000

## Health: 0 of 100

Of its 31 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
- Comparing Time Durations has no explanation yet
- Comparing durations has no explanation yet
- Patterns & Sequences has no explanation yet
- Shape patterns has no explanation yet
- Measuring with different units has no explanation yet
- Estimating Lengths has no explanation yet
- Calculating with measurements comes before Comparing and ordering measurements, which it needs
- Calculating with measurements has no explanation yet
- Comparing lengths by measuring has no explanation yet
- Measurable Attributes of Objects has no explanation yet
- Measuring length (age 6+) has no explanation yet
- Understanding angles has no explanation yet
- Edges, vertices, and faces has no explanation yet
- Transformations on a grid has no explanation yet
- Sorting 2-D and 3-D shapes comes before 2-D shapes (age 6+), which it needs
- Sorting 2-D and 3-D shapes has no explanation yet
- Transformations on a Grid has no explanation yet
- 2-D shapes (age 6+) has no explanation yet
- Fractions of amounts comes before What Is a Half?, which it needs
- Fractions of amounts has no explanation yet
- Fractions of a whole has no explanation yet
- Unit fractions has no explanation yet
- Adding numbers has no explanation yet
- Division as equal sharing has no explanation yet
- Counting in 2s has no explanation yet
- Counting Within 1,000 has no explanation yet
- Measuring & Plotting Lengths has no explanation yet
- Representing Numbers has no explanation yet
- Comparing and ordering measurements has no explanation yet
- What Is a Half? has no explanation yet
- Adding money and giving change has no explanation yet
- Place value of each digit has no explanation yet
- Comparing Large Numbers has no explanation yet

Credit: The structure of Alberta curriculum: Mathematics (https://curriculum.learnalberta.ca/curriculum/en/c/mat6); 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.
