Instructional Video24:22
Curated Video

Multiply a 2-digit number by a 1-digit number using expanded multiplication (regrouping 1s to 10s)

Pre-K - Higher Ed
Pupil outcome: I can use expanded multiplication to record regrouping from the 1s to the 10s Key learning points: - If the product of the ones digits is greater than 10, you regroup ten ones into one ten. - If the product of the ones...
Instructional Video25:32
Curated Video

Review using column subtraction with regrouping from tens to ones

Pre-K - Higher Ed
Pupil outcome: I can use column subtraction with regrouping from the tens to ones. Key learning points: - Regroup when the ones digit of the subtrahend is greater than the ones digit of the minuend. - Regroup a ten into 10 ones. - Change...
Instructional Video20:15
Curated Video

Multiply a 2-digit number by a 1-digit number using partitioning and representations (two regroups)

Pre-K - Higher Ed
Pupil outcome: I can use partitioning and place value equipment to represent multiplication. Key learning points: - Place value resources can be used to represent multiplication of a 2-digit by a 1-digit number. - Regroup from the ones...
Instructional Video21:36
Curated Video

Multiply a 2-digit number by a 1-digit number using short multiplication (regrouping 1s to 10s)

Pre-K - Higher Ed
Pupil outcome: I can use short multiplication to record regrouping from the 1s to the 10s. Key learning points: - If the product of the ones digit is greater than 10, you regroup ten ones into one ten. - Record the additional ten or tens...
Instructional Video26:07
Curated Video

Make efficient use of subtraction strategies including column subtraction

Pre-K - Higher Ed
Pupil outcome: I can make efficient use of subtraction strategies including column subtraction. Key learning points: - A mental strategy may be more efficient than a column method - Look carefully at the numbers in a calculation to...
Instructional Video27:30
Curated Video

Review using known facts and strategies to accurately and efficiently use and check column addition

Pre-K - Higher Ed
Pupil outcome: I can use known facts and strategies to efficiently calculate and check column addition. Key learning points: - Look carefully at the numbers in a calculation. Is column addition the most efficient method to use to find...
Instructional Video29:15
Curated Video

Subtract 4-digit numbers using column subtraction

Pre-K - Higher Ed
Pupil outcome: I can subtract two 4-digit numbers using column subtraction, regrouping hundreds, tens and ones. Key learning points: - Column subtraction can be used to subtract 4-digit numbers. - Work from the ones column on the right...
Instructional Video29:53
Curated Video

Subtract from a 3-digit number using column subtraction with regrouping

Pre-K - Higher Ed
Pupil outcome: I can subtract from a 3-digit number using column subtraction with regrouping. Key learning points: - Start with the numbers with the smallest place value first. - Regroup when the ones or tens digit of the subtrahend is...
Instructional Video31:08
Curated Video

Add up to 3 four-digit numbers using column addition

Pre-K - Higher Ed
Pupil outcome: I can add two or more 4-digit numbers using column addition involving regrouping. Key learning points: - We can use column addition to add 4-digit numbers. - When adding, we regroup 10 hundreds as 1 thousand. - Make sure...
Instructional Video37:28
Curated Video

Use knowledge of column addition and subtraction to calculate with decimal numbers

Pre-K - Higher Ed
Pupil outcome: I can use knowledge of column addition and subtraction to calculate with decimal numbers. Key learning points: - Numbers are recorded in columns with the same value digits in each column. - Start with the smallest value...
Instructional Video6:15
Curated Video

Regrouping and Carrying

K - 8th
Mr. Addit reviews the terms regrouping and carrying. He then shows examples of adding two two-digit numbers and two three-digit numbers to give examples of regrouping and carrying.
Instructional Video8:27
Curated Video

Review for You: Addition and Function Tables

K - 8th
Mr. Addit reviews addition and the use of function tables.
Instructional Video3:23
Curated Video

Subtracting Mixed Numbers with Regrouping/Borrowing

9th - Higher Ed
Do you need to learn how to subtract mixed numbers with regrouping or borrowing? In this video, I will show you how to subtract a pair of mixed numbers with fractions that require borrowing before you can subtract. I will show you the...
Instructional Video6:40
Curated Video

Multiplying Three-Digit Numbers by Two-Digit Numbers with Regrouping

3rd - Higher Ed
Mr. Addit reviews multiplying 2-digits by 2-digits with regrouping. He then demonstrates the method for multiplying 3-digits by 2-digits with regrouping and stresses the importance of being careful about putting numbers in their proper...
Instructional Video6:06
Curated Video

Multiplying Two-Digit Numbers by Two-Digit Numbers with Regrouping

3rd - Higher Ed
Mr. Addit reviews multiplying 2 digits by one digit with regrouping. He then demonstrates the method for multiplying 2 digits by 2 digits with regrouping.
Instructional Video6:51
Curated Video

Review for You: Multiplying with Regrouping

3rd - Higher Ed
Mr. Addit reviews multiplication of 2 digits by 1 digit, 3 digits by 1 digit, 2 digits by 2 digits, and 2 digits by 3 digits.
Instructional Video6:03
Curated Video

Adding with Regrouping

K - 8th
Mr. Addit solves multi-digit addition problems and checks them with subtraction.
Instructional Video5:49
Curated Video

Review for You: Regrouping

3rd - Higher Ed
Mr. Addit reviews the method of using regrouping and carrying to add 2, 2-digit numbers and 2, 3-digit numbers. He reviews the method of regrouping and borrowing to subtract 2, 2-digit numbers and 2, 3-digit numbers.
Instructional Video4:51
Curated Video

Review for You: Subtraction

K - Higher Ed
The video titled “Review for You: Subtraction” uses the standard algorithm to solve subtraction problems involving multi-digit numbers.
Instructional Video3:41
Curated Video

Regrouping and Carrying

3rd - Higher Ed
The video “Regrouping and Carrying” explains how to use regrouping and carrying as part of the standard algorithm for adding two- and three-digit numbers.
Instructional Video3:48
Curated Video

How to Borrow in Subtraction - Regrouping when Subtracting

K - 5th
In this video, we'll explore the concept of borrowing in subtraction and regrouping. This is a crucial math skill for students in 3rd, 4th, and 5th grades as it helps them subtract larger numbers with ease and accuracy. Check out the...
Instructional Video4:10
Curated Video

Carrying When Adding Large Numbers | Multi-digit Addition

K - 5th
In this video, we'll explore the concept of carrying numbers in addition and regrouping. This is a crucial math skill for students in 2nd, 3rd, and 4th grades as it helps them add larger numbers with ease and accuracy. Want the addition...
Instructional Video8:16
Curated Video

Multi-Digit Subtraction | Using the Standard Algorithm

K - 5th
In this video, we'll explore the standard algorithm for multi-digit subtraction. This is an essential math concept for 4th and 5th-grade students to master, as it allows for efficient and accurate subtraction of larger numbers. Check out...
Instructional Video12:23
Curated Video

Subtraction With Regrouping (4 digits)

6th - 8th
Students learn how to subtract four digit numbers with regrouping from Jedi Taylor from a galaxy far, far away. I model one example and students can complete the other one on their own and check their answer during the video.