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 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...
Curated OER
How Do You Multiply a Two-Digit Number by a Two-Digit Number Using Partial Products?
What are partial products? The teacher uses a geometric model to illustrate how to break up double digit numbers to find the product of the numbers being multiplied. It's one method and is a good visual for your students who might need...
Curated OER
How Do You Multiply a Two-Digit Number by a Two-Digit Number Using Partial Products?
What are partial products? The teacher uses a geometric model to illustrate how to break up double digit numbers to find the product of the numbers being multiplied. It's a good visual for your students who might need to see how the math...
Curated OER
How Do You Divide a Two-Digit Number by a One-Digit Number With a Remainder?
A collective groan can be heard when long division is mentioned. Here's a step-by-step demonstration of how to divide a two digit number by a one digit number, with a remainder.
Curated OER
How Do You Find the Value of a Digit in a Whole Number?
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.
Curated OER
Multiplying 2 Digit Numbers Mentally
Have your class multiply two-digit numbers using mental math. This video goes through a step-by-step explanation of this process. You could have learners explain this process to a partner to make sure they understand the procedure.
Curated OER
Subtracting Single and Double Digit Numbers
A quick step-by-step instruction on how to subtract single and double digit numbers is shown in this video. Note: There is no audio, and viewers may want to pause at certain points to take notes.
Scholastic
Study Jams! Double-Digit Division
RJ had an awesome basketball season this year! Use division by double-digit numbers to calculate his scoring average in this instructional presentation. Starting with an explanation of the terms dividend, divisor, and quotient, the long...
Curated OER
How Do You Find the Value of a Digit in a Whole Number?
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.
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
Adding One-Digit Numbers
Your littlest learners will get a kick out of this math trick. The young lady in the video draws dots on each number and then counts them up. She correlates her method to images and explains all the numbers that can hold dots. This is a...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 10)
To reinforce four-digit subtraction, Sal solves a few practice problems several different ways. He then takes viewers through the steps involved in solving word problems with four-digit subtraction requiring regrouping. Use these...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 3)
Using three-digit numbers, this video discusses the process used to add and subtract with regrouping. The instructor also focuses on how to determine when and when not to regroup. It describes exactly what is happening when a problem...
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 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
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
Secret Trick: Math Division Long
Upper graders and middle schoolers will love this clip. They'll learn how to divide large numbers mentally. The narrator uses addition (and what appears to be magic) to divide a six-digit number by a single-digit number. Really cool...
Curated OER
Adding Whole Numbers and Applications 1
Adding double-digit numbers can seem difficult for some students. But, this Khan Academy video makes this process clear in a developmentally sound way. Students watch as 'Sal' adds the number 46 to 43. He references each number by its...
Curated OER
How Do You Divide a Two-Digit Number by a One-Digit Number With No Remainder?
The instructor draws a diagram to represent a given value using base 10 blocks. She shows how to divide it up into groups just to give you a visual. She then demonstrates how to solve the problem using the long division method.
Curated OER
Primary Maths Addition
Learning new ways to look at basic addition problems can help young mathematicians better grasp place value, expanded form, and carrying. Watch the instructor add two and three-digit numbers together by breaking each number into tens and...
Curated OER
How Do You Divide a Two-Digit Number by a One-Digit Number With a Remainder?
A collective groan can be heard when long division is mentioned. Here's a step-by-step demonstration of how to divide a two-digit number by a one-digit number, with a remainder.
Corbett Maths
Multiplication – End Number
Know if the product is not correct. Pupils learn a quick check to see if a product is incorrect. The video uses the value of the units to check solutions to multi-digit multiplication problems. Two short worksheets allow learners to...
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...
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