04 – Grade 4 – Mathematics  

In this lesson, you will practice measuring angles in triangles, quadrilaterals, and other polygons using a protractor. You will use short videos and quick checks to read angle measurements accurately and solve angle problems. This lesson supports your math growth by building skill and confidence with measuring angles using protractors.

In this lesson, you will explore symmetry in real-world objects and geometric shapes and learn how to find lines of symmetry. You will use quick checks and short videos to identify lines of symmetry in triangles, quadrilaterals, and circles. This lesson supports your math growth by strengthening your skill in identifying symmetry in shapes.

In this lesson, students will explore the properties of quadrilaterals by looking closely at angles, parallel sides, and symmetry. Students will use short video support to identify and classify squares, rectangles, rhombuses, trapezoids, and parallelograms. This lesson strengthens students’ mathematical development by building an accurate understanding of the different types of quadrilaterals.

In this online Grade 4 math lesson, students will explore how to identify and classify triangles by side lengths (equilateral, isosceles, scalene) and by angle types (acute, obtuse, right). Through visual models, interactive elements, and/or short video-based learning, students will compare triangle features and practice sorting and naming triangles accurately. This lesson supports students’ mathematical development by strengthening their understanding of types of triangles based on sides and angles.

Grade 4 students will complete an online assessment that covers all Week 15 measurement topics, bringing together key concepts and real-world applications in one test experience. Delivered online, the lesson may include visual supports, interactive test tools, and video-based directions to help students navigate the assessment confidently. This lesson supports students’ mathematical development by evaluating understanding of Week 15 topics and highlighting what they know well and what they should review next.

In this online Grade 4 lesson, students will practice solving multi-step word problems that involve length, weight, volume, and time, using a mix of real-world measurement situations. The lesson may include visual models, interactive practice, and short video-based examples to help students choose the right units, interpret information, and combine steps to reach a solution. This lesson strengthens mathematical development by applying measurement concepts to real-world problems.

In this online Grade 4 lesson, students explore how to calculate elapsed time by figuring out how much time has passed between two events. Using real-world scenarios, like time spent on activities or traveling. Students will practice reading start and end times and determining the time in between with visual aids, interactive elements, and/or video-based learning. This lesson supports students’ mathematical development by strengthening skills in calculating elapsed time accurately and efficiently.

In this online lesson, students will explore how to make reasonable estimates for everyday measurements by using real-life examples such as estimating distances and predicting the weight of common objects. Learners may use visual aids, interactive elements, and video-based demonstrations to practice choosing sensible estimates and explaining their thinking. This lesson supports students’ mathematical development by strengthening their ability to estimate lengths, weights, and volumes.

In this online lesson, students will learn how to understand and work with measurement units by practicing conversions within customary units (inches, feet, yards) and metric units (millimeters, centimeters, meters). Using examples with tools like rulers and measuring tapes, students will explore how different units relate and how to choose the right unit for the situation through visual aids, interactive elements, and video-based learning. This lesson strengthens students’ mathematical development by building confidence in exploring customary and metric units.

In this online Grade 4 math lesson, students will apply decimals to solve real-world problems like balancing a simple budget and dividing shared costs using decimal amounts. Through visual aids, interactive practice, and optional video-based learning, students will explore how decimals show up in everyday money and measurement situations. This lesson strengthens students’ mathematical development by building confidence in solving challenging problems with decimals.

In this online Grade 4 lesson, students will explore how to calculate the mean (average) of a data set by adding all the data points and dividing by the number of points. Through visual aids, interactive practice, and/or video-based examples, learners will work with real-world data (like scores, steps, or daily temperatures) to find and interpret the mean. This lesson supports students’ mathematical development by strengthening their understanding of mean as an average.

Multiplying Decimals
In this online lesson, Grade 4 students explore how to multiply decimals by decimals such as 0.6 × 0.7 or 1.2 × 0.4. Through visual models, grids, and short instructional videos, learners discover how the placement of the decimal affects the product. Designed for independent or supported learning, this interactive lesson uses animations and quick quizzes to help students confidently multiply decimals by decimals while reinforcing their understanding of place value and real-world application.

In this online lesson, students will learn how to identify prime and composite numbers. Using definitions, factor trees, and number sets, they will classify numbers as prime (having only two factors) or composite (having more than two factors). The lesson includes visual and video-based activities to support understanding. By mastering this skill, students will strengthen their ability to classify numbers, supporting the focus area of distinguishing between prime and composite numbers.

In this online lesson, students will explore how to identify factors and multiples of whole numbers. Through clear explanations, visuals, and interactive examples, they will learn how factors divide numbers evenly and how multiples extend numbers in sequences. The lesson may include short instructional videos and interactive activities to deepen understanding. By practicing these skills, students will strengthen their number sense and build a foundation for more advanced math, supporting the focus area of understanding factors and multiples.

In this online lesson, students will explore efficient techniques for adding multi-digit numbers, including regrouping and carry-over strategies. Through visual demonstrations and hands-on activities using base-ten blocks, learners will build a strong understanding of how to solve addition problems step by step.
This lesson supports students’ math development by strengthening their ability to add multi-digit numbers accurately and efficiently.

In this online assessment, students will demonstrate their understanding of key concepts from Week 1, including place value, comparing numbers, and rounding. The lesson includes a structured test with a mix of problem types and formats, supported by visual prompts and interactive tools.
This assessment supports students’ math development by evaluating their grasp of multi-digit number concepts and identifying areas for reteaching or enrichment.

In this online lesson, students will apply rounding skills to solve real-world problems involving estimation. Through visual demonstrations and interactive examples, learners will explore how rounding helps estimate costs while shopping or distances during travel.
This lesson supports students’ math development by strengthening their ability to use rounding for practical problem-solving in everyday scenarios.

In this online lesson, students will explore how to round multi-digit numbers to the nearest ten, hundred, or thousand. Using visual models and real-world examples, learners will practice applying rounding rules to solve everyday math problems.
This lesson supports students’ math development by strengthening their ability to estimate and simplify numbers through rounding.

In this online lesson, students will learn how to compare multi-digit numbers using symbols such as <, >, and =. They will also practice ordering numbers from least to greatest and greatest to least through interactive activities and visual demonstrations.
This lesson supports students’ math development by strengthening their ability to compare multi-digit numbers accurately and confidently.

In this online lesson, students will explore the concept of place value for multi-digit numbers up to 1,000,000. Through interactive visuals and video-based instruction, they will learn to identify and write numbers in standard, expanded, and word form.
This lesson supports students’ math development by deepening their understanding of how digits represent different values depending on their position.