Instructional Video6:42
Curated Video

Adding and Subtracting Negative and Positive Numbers

3rd - Higher Ed
This video explains adding and subtracting negative and positive numbers. We will use a number line to demonstrate as well as real world examples using money. We explain the sign rules for adding and subtracting negative and positive...
Instructional Video5:17
Curated Video

Finding Equivalent Fractions

3rd - Higher Ed
This video explains finding equivalent fractions and simplifying fractions. Practice questions and answers are provided at the end of the video.
Instructional Video2:59
Curated Video

Sharing in a Given Ratio

3rd - Higher Ed
This video explains ratio sharing / sharing in a given ratio. Two sets of practice questions and answers are provided at the end of the video.
Instructional Video5:56
Curated Video

More Multiplication and Division Word Problems to Solve

K - 8th
Mr. Addit provides additional word problems to solve, and he gives guidance as to how to decide whether to multiply or to divide to find the answers.
Instructional Video5:39
Curated Video

Estimating

K - 8th
Mr. Addit demonstrates how to estimate by rounding up or rounding down. He then gives examples in which estimating helps solve a division problem.
Instructional Video5:35
Curated Video

Remainders

K - 8th
Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers, and he explains what happens when there is a remainder.
Instructional Video6:04
Curated Video

Dividing Two-Digit Numbers by One-Digit Numbers

K - 8th
Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers by using multiplication facts.
Instructional Video3:56
Curated Video

Comparing Decimals

K - 8th
The video “Comparing Decimals” reviews the symbols used for comparing and shows how to compare decimals.
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 Video6:19
Curated Video

Multiplying Three-Digit Numbers by One-Digit Numbers

K - 8th
Mr. Addit demonstrates how to multiply three-digit numbers by one-digit numbers by using the partial products method.
Instructional Video5:40
Curated Video

Factors

K - 8th
Mr. Addit explains how to find factors of a number by using the multiplication facts we know.
Instructional Video6:11
Curated Video

Plotting Points

K - 8th
Mr. Addit explains what it means to plot points on a coordinate grid using ordered pairs. He models plotting points on a coordinate grid.
Instructional Video6:18
Curated Video

Adding Decimals

K - 8th
Mr. Addit demonstrates how to properly add decimals, both while regrouping and without regrouping.
Instructional Video6:04
Curated Video

Exploring Decimals

K - 8th
Mr. Addit introduces the concept of decimals as parts of whole numbers. He draws the comparison between decimals and fractions.
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 Video6:25
Curated Video

Mixed Numbers

K - 8th
Mr. Addit explains mixed numbers and how frequently we use them. He also begins the discussion of improper fractions.
Instructional Video5:48
Curated Video

Common Fractions

K - 8th
Mr. Addit talks about the way he, Coach Socrates, and Miss Palomine worked with common fractions when they ordered a big pizza.
Instructional Video6:46
Curated Video

Dividing by 6 and 7

K - 8th
Mr. Addit reviews the division and multiplication facts of 6 and 7.
Instructional Video6:21
Curated Video

Dividing by 3 and 4

K - 8th
Mr. Addit reviews division by 3 and 4 and demonstrates once again that division is the opposite of multiplication.
Instructional Video7:23
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Memorizing Division Facts

K - 8th
Mr. Addit reviews division by 1, 2, 5, and 10 and explains that division is the opposite of multiplication just as subtraction is the opposite of addition.
Instructional Video6:37
Curated Video

The 8 and 9 Times Tables

K - 8th
Mr. Addit teaches the multiplication facts of 8 and 9.
Instructional Video6:18
Curated Video

The 6 and 7 Times Tables

K - 8th
Mr. Addit teaches the student the multiplication facts of 6 and 7.
Instructional Video6:54
Curated Video

The 3 and 4 Times Tables

K - 8th
Mr. Addit teaches the student the multiplication facts of 3 and 4.