Instructional Video4:45
Curated Video

Review for You: Add and Subtract Fractions with Like Denominators

K - 8th
Mr. Addit reviews how to add and subtract fractions that have the same denominator using multiple methods.
Instructional Video6:50
Curated Video

Review for You: Division With Remainders

K - 8th
Mr. Addit reviews place value division with and without remainders.
Instructional Video5:51
Curated Video

Adding and Subtracting Fractions

K - 8th
Mr. Addit explains how we can add and subtract fractions even if they are part of mixed numbers. He demonstrates both adding and subtracting on a number line.
Instructional Video6:10
Curated Video

Working with Division

K - 8th
Mr. Addit introduces the terms divisor, dividend, and quotient. He also demonstrates how to write a division problem.
Instructional Video6:45
Curated Video

Exploring Division

K - 8th
Mr. Addit explains that backwards skip counting is the same thing as division, in the same way that forward skip counting is the same thing as multiplication. He then models solving some division word problems.
Instructional Video6:20
Curated Video

Understanding Multiplication Problems

K - 8th
Mr. Addit reviews keywords for addition and subtraction problems and introduces keywords for multiplication problems. He also explains the four parts of a multiplication problem.
Instructional Video5:34
Curated Video

Comparing Sets of Expressions

3rd - Higher Ed
"Comparing Sets of Expressions" explains how to compare sets of expressions that contain the same numbers but differing symbols by simplifying each one according to the order of operations.
Instructional Video5:32
Curated Video

Numerical Expressions

3rd - Higher Ed
Written Descriptions of Expressions explores ways to author written descriptions of expressions.
Instructional Video5:18
Curated Video

From Word to Number Form

3rd - Higher Ed
From Word to Number Form shows how to convert mathematical expressions from word form to number form without solving by using understanding of operations.
Instructional Video4:16
Curated Video

Order of Operations: Numbers

3rd - Higher Ed
Order of Operations: Numbers teaches how to simplify mathematical expressions containing whole numbers using the order of operations.
Instructional Video2:26
Curated Video

Subtracting Fractions with Like Denominators

3rd - 8th
This video uses a trip to the doughnut shop to give a real-world context for subtracting fractions. The video walks students through two examples, stressing that the denominator does not change because the original number of doughnuts...
Instructional Video8:02
Curated Video

Understanding and Evaluating Algebraic Expressions

K - 12th
This video introduces the concept of algebraic expressions and guides learners through the process of evaluating expressions, step by step.
Instructional Video3:25
Curated Video

Understanding Adding and Subtracting in Tens

K - 12th
This video teaches learners to add and subtract 10 from 2-digit numbers using a place value grid.
Instructional Video3:14
Curated Video

Mastering Number Bonds to 100

K - 12th
This video teaches learners about number bonds to 100.
Instructional Video3:40
Curated Video

Exploring Related Facts in Math: Addition and Subtraction

K - 12th
This video teaches learners about related facts.
Instructional Video5:18
Curated Video

Checking Calculations Using Inverse Operations

K - 12th
This video teaches learners how to check their calculations using the inverse operation.
Instructional Video4:16
Curated Video

Exploring Number Bonds to 10 with Numicon Pieces

K - 12th
This video teaches learners about number bonds to 10 using Numicon and Tens Frames.
Instructional Video3:43
Curated Video

Exploring Part-Whole Models with Fruits

K - 12th
This video teaches learners how to add numbers within 10, using a part-whole model.
Instructional Video8:17
Curated Video

Mastering the Order of Operations with BIDMAS

K - 12th
This video is all about how to follow the order of operations using BIDMAS. There are 5 examples in this video, starting off very simple and increasing in difficulty throughout the video.
Instructional Video2:55
Curated Video

Finding the Difference Between Numbers

K - 12th
This video teaches learners how to find the difference between two numbers.
Instructional Video3:43
Curated Video

Subtracting Numbers Using the Number Line

K - 12th
This video teaches learners to subtract more efficiently, by counting back using a number line.
Instructional Video3:45
Curated Video

Subtraction within 10: Using the Subtract Symbol

K - 12th
This video teaches learners how to subtract numbers using the language 'How many are left?'. We look at the symbol for subtraction and write number sentences.
Instructional Video3:35
Curated Video

Finding Missing Parts in Part-Whole Models

K - 12th
This video teaches learners how to find a missing part in a number sentence, using a part-whole model.
Instructional Video4:42
Curated Video

Comparing Numbers Beyond 1000 Using Place Value Grids

K - 12th
This video teaches learners how to compare numbers beyond 1000.