The Order of Operations is Wrong

How to Subtract By Adding

How to Subtract By Adding

Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in...

The Order of Operations is Wrong

Mr. Andersen explains significant digits and shows you how to use them in calculations.

New ReviewIn this video we are going to go over a easy a medium and a hard example of solving linear equations with parenthesis

In this math video we will learn 5 steps to subtract rational numbers in fraction form. Step 1: If necessary, write mixed numbers as improper fractions. Step 2: If necessary, rewrite fractions to have a common denominator. Step 3: If...

In this math video we will learn how to subtract rational numbers that are decimals. We will begin by review how to subtract decimals using 3 easy steps. Step 1 - Line up the decimal points vertically. Fill in any 0's where necessary....

In this engaging and informative video, viewers are guided through the fundamental concept of subtraction. The teacher explains that subtraction is the process of finding the difference between two numbers, likening it to taking a...

Pupil outcome: I can compare subtraction as decreasing an amount to other addition and subtraction structures. Key learning points: - Subtraction can be seen as both partitioning and as decreasing an amount. - Both types of subtraction...

Pupil outcome: I can partition a whole into two parts and express this as a subtraction equation. Key learning points: - When the whole and one part of the whole is known, subtraction can be used to find the missing part. - This can be...

Pupil outcome: I can calculate the difference in different contexts. Key learning points: - You calculate the difference by counting on from the known part to the whole. - The difference is the answer to a subtraction calculation. - The...

Pupil outcome: I can represent both addition and subtraction and understand the link between them. Key learning points: - In problems, if the whole and one part of the whole are known, subtraction can be used to find the missing part. -...

Pupil outcome: I can calculate the difference when information is presented in a bar chart. Key learning points: - A bar chart is a graph that uses bars to represent information. - Bar charts can have different scales. - The difference...

Pupil outcome: I can calculate the difference when information is presented in a pictogram. Key learning points: - A pictogram is a graph that uses pictures to represent information. - A pictogram’s key tells us what each picture...

Pupil outcome: I can use column subtraction, including regrouping from the hundreds to tens. Key learning points: - Regroup when the ones or tens digit of the subtrahend is greater than the ones or tens digit of the minuend. - Regroup a...

Pupil outcome: I can use bar models to represent and solve subtraction problems. Key learning points: - A bar model can be used to represent subtraction problems and equations. - Overlaying manipulatives on a bar model can be useful for...

Pupil outcome: I can solve subtraction problems using knowledge of 10 and a bit in different contexts. Key learning points: - The teens numbers can be represented as ten and a bit. - We can solve addition and subtraction problems with...

Pupil outcome: I can represent addition and subtraction facts within 10 Key learning points: - Representing a problem can help us to find addition and subtraction facts. - In addition, we can change the order of the addends and the sum...

Pupil outcome: I can use number pairs to ten to solve subtraction problems and equations. Key learning points: - Our knowledge of pairs that sum can help when solving subtraction problems and equations. - Quickly remembering these number...

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...

Pupil outcome: I can calculate the difference using knowledge of an adjusted subtrahend in a difference structure Key learning points: - The more you subtract the smaller the difference. - The less you subtract the greater the...

Pupil outcome: I can identify the minuend and subtrahend in column subtraction. Key learning points: - The minuend and subtrahend are written in columns with the same value digits in the same column. - The subtrahend is written beneath...