Grade 4
40 Units, 91 Skills
Time - Telling - Intro
Unit 1
Geometry - Shape Classification (2D) - Intro
Unit 2
Addition and Subtraction of Integers - 1 and 2 Digit
Unit 3
Patterning - Visual Patterns Intro
Unit 4
Number Sense - Practice
Unit 5
Multiplication - Times Table to 10 - Intro
Unit 6
Decimal Foundations - Intro
Unit 7
Data and Graphs - Practice
Unit 8
Numbers and Words - to Ten Thousands and Tenths
Unit 9
Multiplication of Integers - Intro
Unit 10
Coin Math - Multiplication Intro
Unit 11
Fractions, Equivalent - Intro
Unit 12
Division of Integers - Intro
Unit 13
Place Value and Rounding - To Thousands and Hundredths
Unit 14
Geometry - Angle Basics
Unit 15
Fractions - Mixed - Intro
Unit 16
Geometry - Triangle Classification - Practice
Unit 17
Long Division - Intro
Unit 18
Coin Math - Multiplication Practice
Unit 19
Number Sense - Advanced
Unit 20
Addition and Subtraction of Integers - 2 and 3 Digit
Unit 21
Time - Telling - Practice
Unit 22
Geometry - Shape Classification (2D) - Practice
Unit 23
Numbers and Words - to Millions and Thousandths
Unit 24
Perimeter Intro
Unit 25
Long Division - Practice
Unit 26
Multiplication - Times Table to 13 - Practice
Unit 27
Fractions, Equivalent - Practice
Unit 28
Decimal Foundations - Practice
Unit 29
Decimal Foundations - Advanced
Unit 30
Multiplication - 1 and 2 Digit - Intro
Unit 31
Time - Elapsed Time - Basics
Unit 32
Place Value and Rounding - To Millions and Thousandths
Unit 33
Cartesian Grid Foundations
Unit 34
Factoring and Primes - Intro
Unit 35
Division 2 by 1 Digit
Unit 36
Fractions - Mixed - Practice
Unit 37
Multiplication - 1 and 2 Digit - Practice
Unit 38
Decimal Addition and Subtraction - Intro
Unit 39
Area Intro
Unit 40
This math unit begins with foundational geometry concepts, starting with identifying parts of a circle and understanding line relationships as parallel, intersecting, or perpendicular. Progressively, it introduces the classification of angles by type—acute, obtuse, right, and specific angles like 90, 180, and 270 degrees, building a groundwork for comprehending more complex geometric shapes. The unit then delves into classifying triangles by both sides and angles and extends to broader classifications covering various polygons based on the number of sides and distinguishing between regular and irregular polygons. Further, it explores quadrilateral types, enhancing recognition and understanding of more specific shapes. The unit circles back to circle geometry by practicing calculations that involve deriving the radius from the diameter. Lastly, it applies polygon classification knowledge in a practical setting by helping learners identify specific quadrilaterals, such as parallelograms, based on visual properties. This math unit emphasizes a gradual escalation from basic geometrical definitions to complex shape classifications and practical applications.more
Skills you will learn include:
At Mobius we have lots of great (and free) resources to help you learn math. To keep kids engaged, there’s nothing better than a math-powered video game! Try out a Mobius game mapped to Geometry - Shape Classification (2D) - Practice.
This math topic helps students identify and differentiate between lines, line segments, and rays. There are multiple-choice questions where learners name these basic geometric objects. For instance, students are asked to identify a geometric object that extends indefinitely in one direction (ray), an object that is bounded by two distinct points (segment), and an object that extends indefinitely in two opposite directions (line). The questions are presented with images and options to enhance understanding and visualization.more
This math topic focuses on classifying triangles based on the lengths of their sides. It introduces concepts relevant to identifying isosceles and scalene triangles. Isosceles triangles are recognized by having two sides of the same length and one different, whereas scalene triangles are identified by having all sides of differing lengths. The topic involves engaging with questions that provide multiple-choice answers, enhancing the understanding of these geometric classifications.more
Acute, Obtuse, Right or Straight (Level 1)
This math topic focuses on identifying different types of angles. It covers acute, obtuse, right, and straight angles. These foundational concepts in geometry are essential for further studies in triangle classification. The content is structured in a straightforward question-and-answer format, where students are asked to name the type of angle shown in accompanying images. Each question provides multiple-choice answers, enhancing students' ability to visually distinguish between the angle types based on visual representations provided. This practice is part of a broader unit aimed at advancing geometric understanding in the context of triangles.more
This math topic focuses on classifying triangles based on their angles. It teaches how to identify triangles as obtuse (one angle more than 90°), acute (all angles less than 90°), and right (one angle equal to 90°). These problems are part of a broader unit on triangle classification in geometry. The format involves presenting information and then asking for the correct term for different types of triangles, with choices provided for each question.more
This math topic focuses on recognizing and naming polygons based on the number of sides they have. It is a part of an introductory course on geometry basics. The problems ask students to match specific numbers of sides (such as 3, 4, 5, 6, and 8) with the correct polygon names, including triangles, quadrilaterals, pentagons, hexagons, and octagons. Each question provides multiple choice answers to reinforce the learning of polygon names through identification and recall.more
This math topic focuses on classifying polygons by the number of sides they have. It is designed to help students recognize and name various 2D shapes such as quadrilaterals, pentagons, hexagons, and octagons. Each question presents an image of a polygon, and students must select the correct name for the shape from multiple choices. This skill set is part of a larger unit on geometry, specifically dealing with the classification of two-dimensional shapes.more
This math topic focuses on identifying different parts of a circle through a series of true/false problems. Specific parts tested include recognizing chords, circumferences, and the center. Each problem presents an image of a circle with a specific part highlighted, and students are tasked with determining whether the statement about the part (e.g., "It is a chord") is true or not. This practice is aimed at reinforcing the understanding of fundamental geometric concepts within circles.more
Acute, Obtuse, Right or Straight (Reversed) (Level 1)
This math topic focuses on identifying different types of angles, specifically acute, obtuse, right, and straight angles. It aims to help students visually differentiate these angle types through image-based questions. Each question asks students to select the correct image that represents a given type of angle, enhancing their ability to classify angles as part of a broader unit on geometry and triangle classification. This practice is fundamental in building a solid understanding of angle types, a critical aspect of geometry.more
This math topic focuses on classifying triangles based on their angles. Specifically, it explores three types of triangles: acute (all angles less than 90 degrees), right (one right angle), and obtuse (one angle more than 90 degrees). The problems provide illustrations of triangles and challenge learners to identify the type of triangle depicted. Through this, students strengthen their understanding of triangle geometry and angle measurements.more
This math topic focuses on identifying the number of sides various polygons have based on their names. It covers basic polygons such as quadrilaterals, hexagons, pentagons, triangles, and octagons. Each question provides multiple-choice answers, testing students' ability to recall and match the polygon names to the correct number of sides. This is part of an introductory unit on geometry basics.more
This math topic primarily focuses on identifying and classifying polygons based on their names and sides. The problems prompt learners to select the correct shape from multiple options that best matches a given name like "Square," "Hexagon," "Pentagon," and "Octagon." Each question typically provides an array of images labeled with different options, requiring students to visually differentiate and identify specific polygon types based on their number of sides and overall geometry. This is an exercise in both shape recognition and understanding basic properties of polygons, making it integral to early geometry learning.more
This math topic focuses on identifying and classifying different types of quadrilaterals based on their properties. It's designed to enhance understanding of 2D shapes within geometry. The specific quadrilateral types discussed include kites, rhombuses, squares, and rectangles. Each question presents an image of a shape and asks whether it fits the definition of a specific type of quadrilateral, with options to answer 'Yes' or 'No'. This exercise aims to strengthen skills in visual recognition and understanding of geometric properties.more
This math topic focuses on practicing the classification of polygons. Students learn to identify different types of polygons, classify them by the number of sides they possess, and determine whether they are regular (all angles equal and all sides equal) or irregular (not all angles or sides are equal). The exercises include a variety of polygons like quadrilaterals, pentagons, hexagons, and octagons, enhancing their skills in recognizing and differentiating between these shapes based on their geometric properties. This forms part of a broader unit on 2D shape classification within geometry.more
This math topic focuses on practicing the identification of geometric figures like lines, line segments, and rays, foundational elements of geometry. Each problem displays a distinct visual (represented through an image) and asks learners to determine whether the geometry depicted is a line, a segment, or a ray. It essentially enhances the understanding of characteristics unique to each geometric figure, beneficial for students beginning their journey in geometry basics.more
This math topic focuses on the classification of triangles based on their sides. It involves determining whether a triangle is equilateral (all sides equal), isosceles (two sides equal), or scalene (all sides different) through a series of problems. This topic is an introductory level practice in the broader subject area of geometry, specifically triangle classification. Each question provides a visual depiction of a triangle, and the student is asked to identify the type of triangle based on its side lengths.more
Level 2
The math topic on this page focuses on Classifying 2D Complex Shapes. It assesses students' ability to correctly identify various geometric shapes, specifically rhombuses, circles, right triangles, squares, trapezoids, ovals, and parallelograms. Each question provides multiple visual options, prompting the learner to select the shape that matches the name provided. This is part of a broader unit on shape classification within the topic of geometry.more
This math topic focuses on identifying whether given shapes are parallelograms based on images. It challenges learners to distinguish this specific type of quadrilateral by observing properties such as opposite sides being parallel and equal in length. There are several questions where learners must determine if the illustrated shape is a parallelogram or not, aiding their understanding and application of basic geometry concepts.more
This topic explores the classification of two-dimensional shapes as parallelograms based on their names. It tests understanding of specific geometric properties that define parallelograms, including squares, rectangles, and rhombuses. The problems ask to identify whether shapes like trapezoids, kites, and others qualify as parallelograms. This is a foundational geometry topic focusing on shape classification within a broader unit on 2D shape practice.more
Level 1
This math topic focuses on identifying various parts of a circle. It includes questions where learners must name different circle components, such as chord, center, tangent, arc, circumference, sector, segment, radius, and diameter. Each problem presents a diagram of a circle with an arrow pointing to a specific part, and the learner is tasked to identify that part from multiple choices. This area of study falls under the broader category of introductory geometry basics.more
Level 1
This math topic focuses on recognizing and classifying various types of quadrilaterals. The questions challenge students to identify specific kinds of quadrilaterals, such as rectangles, kites, rhombuses, squares, trapezoids, and parallelograms, based on their properties and visual representations. Each question provides multiple images as potential answers, from which students must select the correct shape that matches the named quadrilateral. This practice enhances students' understanding of 2D geometrical shapes and their classification within the broader unit of geometry.more
This math topic focuses on enhancing students' abilities to identify the relationships between lines: whether they are parallel, perpendicular, or intersecting. It appears to be aimed at introducing beginners to basic geometric concepts. Each question presents different sets of lines, asking students to classify their relationship based on visual aids represented by images. This set of problems is part of an introductory unit on geometry basics, catering to initial learning stages in geometry.more
Acute, Obtuse, Right or Straight - First Time (Level 1)
This math topic focuses on identifying and classifying different types of angles. It specifically covers acute angles (less than 90 degrees) and obtuse angles (more than 90 degrees) as part of a broader unit on triangle classification. The questions typically provide images of angles and ask students to determine whether the depicted angle is acute or obtuse, enhancing their understanding and ability to differentiate between these angle types. This foundational geometry skill is crucial for further studies in shape and angle relationships within triangles and other polygons.more
90, 180, or 270 Degrees (Level 1)
This math topic focuses on identifying specific angle measures, specifically 90, 180, or 270 degrees. It is structured to help students recognize and classify angles as part of a broader introduction to geometry, specifically triangle classification. Through a series of questions, students are prompted to determine the degree measure of various angles presented visually. This topic aims to solidify understanding of fundamental angle types, enhancing students' ability to analyze and classify geometric shapes according to their angles.more
This math topic focuses on classifying triangles based on their sides and angles. Each problem presents an image of a triangle and asks to identify its type, such as acute isosceles, obtuse scalene, right equilateral, among others. It covers a range of classifications combining angle types (acute, right, obtuse) and side lengths (equilateral, isosceles, scalene). This provides practice in recognizing and understanding the different properties that define triangle types.more
This math topic focuses on classifying polygons based on the number of their sides, covering basic geometric shapes such as hexagons, pentagons, octagons, and quadrilaterals. Each question presents an image of a polygon and asks to identify the type of shape it represents, offering multiple-choice answers. This topic is part of an introductory unit on geometry basics, aimed to enhance understanding of different types of polygons.more
This math topic focuses on classifying polygons as either regular or irregular. It is part of a broader unit on 2D shape classification in geometry. Each of the seven problems presents an image of a polygon, and the task is to identify whether the shape is regular, having all sides and angles equal, or irregular, where this uniformity does not exist. This practice helps with the understanding and recognition of polygon characteristics within the field of geometry.more
Level 1
This math topic focuses on identifying types of quadrilaterals, which is a section of 2D Shape Classification in geometry. Students are presented with multiple questions where they must look at an image of a shape and name it. The specific types of quadrilaterals discussed in the problems include squares, kites, trapezoids, rhombuses, parallelograms, and rectangles. Each question provides a series of answers, asking students to match the shape to the correct quadrilateral classification. This activity helps enhance visualization and identification skills related to geometric figures.more
This math topic focuses on identifying whether pairs of 2D shapes are congruent, similar, or neither. It includes questions where students must examine images of shapes and select the best property that describes their relationship. The skills practiced here form part of an introductory unit on basic geometry concepts. Students develop their understanding of shape properties through visual assessments and comparisons.more
This math topic focuses on identifying whether 2D shapes are congruent, similar, or neither. It involves analyzing pairs of shapes and determining their geometric properties. Specifically, students are asked to decide if the shapes presented are congruent, similar, or neither based on visual information and respond with a "Yes" or "No." This falls under a broader introduction to geometry basics. Each question is structured with an associated image of shapes for assessment, making it interactive and visually engaging for learning geometric relationships between shapes.more
Level 1
This math topic focuses on understanding the relationship between the radius and diameter of a circle. It explores the simple rule that the diameter is twice the length of the radius. Targeting beginners, the topic tests this concept through multiple-choice questions, helping learners identify the correct relationship amidst various incorrect options. Each question presents the same inquiry—how the radius 'r' relates to the diameter 'd'—with varied erroneous answers given plus the correct one. This is part of a larger unit on 2D shape classification within geometry.more
Level 1
This math topic focuses on understanding the relationship between the diameter and radius of a circle, which is foundational in 2-dimensional geometry. Specifically, it provides problems that practice finding the radius when given the diameter. The questions are simple and are part of a broader module on classifying 2D shapes. Each problem presents several answer choices, only one of which correctly identifies that the radius is half the diameter of the circle. This topic allows for revision and reinforcement of basic circle geometry concepts.more
This math topic focuses on understanding congruence and similarity in 2D shapes. Specifically, it involves identifying which pairs of images are congruent (exact geometrical match in shape and size), similar (same shape but different size), or neither. The problems allow learners to practice differentiating between these two properties of geometric figures, which is a fundamental aspect of introductory geometry.more
This topic focuses on identifying and understanding various parts of a circle, which is fundamental in learning geometry basics. It covers key circle parts such as the diameter, radius, circumference, and center. Each problem presents a question with two possible answers to help learners differentiate between correct geometric terms and similar-sounding but incorrect options. This introductory level practice aims to build a solid foundation in recognizing and naming essential elements of a circle.more
This math topic focuses on identifying whether 2D shapes are congruent, similar, or neither, incorporating visual recognition skills within geometry. Students compare a given shape with several other shapes to determine the relationship. The activity is part of an introductory unit on the basics of geometry. This helps learners to enhance their understanding of geometrical properties and relationships between different two-dimensional shapes.more
This math topic focuses on the relationship between the radius and diameter of a circle. Learners are tasked with calculating the diameter from given radius values of various circles. This fundamental concept falls under the broader area of 2D geometry and shape classification. The activity aims to strengthen the understanding that the diameter is twice the length of the radius through several practice questions.more
This math topic focuses on the skill of calculating the diameter of a circle from a given radius. It involves applying the basic geometric formula where the diameter is twice the radius (D = 2r). This forms part of a broader study on 2D shape classification within geometry. This practice includes multiple problems that provide a radius, and students are required to find the correct diameter, enhancing their understanding of circle properties and calculations related to circle measurements.more
This math topic focuses on the skill of calculating the radius of a circle given its diameter. It is part of a broader unit on classifying 2D shapes within geometry. Each problem provides a specific diameter, and students are required to find the corresponding radius, enhancing their understanding of circle properties and relationships. Multiple-choice answers are given for each question, promoting practice in basic arithmetic operations and reinforcing the concept that the radius is half of the diameter. This topic serves as practical geometry application and problem-solving exercise.more
Level 2
This math topic focuses on identifying various 2D complex shapes. It is part of a larger unit on geometry, specifically classifying 2D shapes. The problems require learners to name the types of shapes shown, which include a variety of figures such as triangles, circles, kites, squares, rectangles, parallelograms, trapezoids, rhombuses, and ovals. The skills practiced include visual recognition and understanding of geometric properties that define each shape. This prepares learners for more advanced concepts in 2D geometry.more