Bozeman Science
NGSS: Using Mathematics and Computational Thinking
The fifth practice in the Next Generation Science Standards covers using mathematics and computational thinking. Scholars and scientists watch a video that explains how they use these skills starting in early elementary, and becoming...
Curated OER
The Mathematics of Latitude and Longitude
Latitude and longitude lines are explained in this video. Students focus on the mathematics and how to calculate distance using the degrees of various locations.
Krista King Math
Ratio and Proportion for Chemical Compounds
Explore the strong connection between mathematics and science. Learners see how to use proportions to determine the makeup of chemical compounds. The example shown finds the number of grams of oxygen in a given amount of water.
Khan Academy
Writing a Number in Expanded Form
Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is...
Khan Academy
Rounding Whole Numbers 1
Rounding is an important skill which must be used throughout the study of mathematics. This Khan Academy video is the first in a series of 3. It shows how to round the number 24,259 to the nearest hundred, using a number line.
Curated OER
How Do You Solve a Word Problem Where You Multiply and Subtract Whole Numbers and Fractions?
There is only one variable in this word problem. Yeah! So unpack the words and write them as a mathematical expression. Then make sure to use the order of operations to solve and arrive at the solution.
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 8)
Provide your class with a developmentally sound way to view four-digit subtraction. Sal uses strong visual aids to show what each step in the subtraction process literally represents. Everyone will be able to see the mathematical process...
Curated OER
The Equals Sign
Oh my goodness! A teacher splits into double to show what the equals sign means. She defines the term and provides a pictorial and mathematical example of things that are equal. Wonderful for visual learners.
Curated OER
Subtraction
A cute video on the basics of subtraction await! Efrin explains what subtraction is, what it isn't, and provides several simple examples of how subtraction works. A great video for younger learners just building a mathematical...
Krista King Math
Equivalent Fractions and Reducing
Explore the meaning of equivalent fractions. A video instructor shows the process of creating equivalent fractions both visually and mathematically. After explaining how to create equivalent fractions from the most simple form, she...
Krista King Math
Ratio and Proportion, Word problems
Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work with...
Curated OER
Singapore Math: Grade 3a, Unit 2 (Part 7)
If you need to extend your four-digit addition example problems, this video is perfect. Sal provides a variety of practice problems firmly based on the place value system. Each problem is wonderfully explained using multiple colors and a...
Khan Academy
Singapore Math: Grade 3a Unit 2 (part 5)
What a great way to present multiple-digit addition! Sal adds the numbers 2803 and 1443. He draws a chart representing each of the four place values from the problem and then draws "place value buckets” to represent what each number...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 11)
Solving 2-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three word problems involving multi-digit addition or subtraction. Sal highlights important...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 9)
Sal uses numeric expansion to show the process of subtracting four-digit numbers. For example, he expands the number 6004 and writes it as 6000+0+0+4 and 2678 as 2000+600+70+8. When he regroups, viewers will be able to see the actual...
Curated OER
What is Addition?
Cassandra (a student) does a great job defining the concept of addition. She provides a visually stimulating video, 4 examples of addition, and a full explanation of each example. A cute clip sure to educate and entertain.
Curated OER
Concept of Symbols
Tackle the topic of symbols with this interesting clip. Todd defines the term symbol then labels several gestures, such as smiling and waving as symbols representing a word or feeling. He fails however, to link the use of symbols to...
Curated OER
Measuring an Irregular Distance
The math pirate needs to measure a distance on his treasure map. He realizes that he's not measuring a straight line, but an irregular distance. This short clip is well done, it uses a real-life math application, concrete mathematical...
Curated OER
How Do You Subtract Integers Using a Number Line?
There are times when you might want to use a number line to help you visually understand what is happening mathematically. Subtracting integers might be one of those times. So take a look and see which direction you need to move on the...
Scholastic
Study Jams! Properties of Addition
Zoe from the StudyJams! crew brings the properties of addition to life by clearly explaining the meaning of the associative, commutative, and identity properties as she collects photos for an album. Listen to the included karaoke song...
Scholastic
Study Jams! Multiplication
What does baking cupcakes have to do with multiplication? Watch this video and find out as your class learns that multiplication is the repeated addition of equal groups. Properties of multiplication are also introduced with...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 11)
Solving two-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three word problems involving multi-digit addition or subtraction. Sal highlights important...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 6)
Sal reinforces the concepts taught in the first video on Singapore four-digit addition with a series of addition problems. The video would be a great homework assignment. Ask your class to view it at home and write a paragraph on the...
Curated OER
How Do You Subtract Mixed Fractions with the Same Denominator?
There are many ways to subtract mixed fractions. The teacher demonstrates one method of how to break up the mixed number and subtract the whole numbers apart from the fractions. Once that is complete she puts the whole number and...
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