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Mastering Addition: Adding Numbers with Place Values
New ReviewThis video is a beginner's guide to addition, explaining how addition is used in everyday situations such as banking and shopping. It breaks down the concept of addition as combining two or more numbers to get a larger number, known as...
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What Are SUM, AVERAGE, MEDIAN, MAX & MIN in Excel?
Howcast - Learn about SUM, AVERAGE, MEDIAN, MAX and MIN in this Howcast Excel tutorial with expert Shir Moscovitz.
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Use knowledge of 10 and a bit to solve problems
Pupil outcome: I can use my knowledge of 10 and a bit to solve problems. Key learning points: - The teens numbers can be partitioned into ten and a bit. - Problems can be represented using part-part-whole models, tens frames and sum...
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Identify knowns and unknowns in addition equations
Pupil outcome: I can identify knowns and unknowns in addition equations. Key learning points: - If the sum is missing, you add the addends. - If an addend is missing, subtract the other addend from the sum to calculate the missing value....
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Review and use knowledge of place value to correctly lay out column addition
Pupil outcome: I can use place value to lay out column addition correctly. Key learning points: - The addends are written in columns with the same value digits in the same column. - One addend is written above the other one. - The sum is...
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Numbers can be added in any order
Pupil outcome: I understand that numbers can be added in any order. Key learning points: - The order we add the addends does not change the sum. - Addition is commutative. - Commutative means that we can change the order of the addends...
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Review adding 3-digit numbers using column addition without regrouping
Pupil outcome: I can add 3-digit numbers using column addition. Key learning points: - The addends are written in columns with the same value digits in the same column. - The sum is recorded underneath the addends with the same value...
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Add three addends by finding pairs that total 10
Pupil outcome: I can recognise number pairs that total 10 and use them to find the sum of three numbers. Key learning points: - Rearranging the addends identifies the pairs that total 10. - Place value means we can add a single digit to...
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Add 3 numbers together in different contexts
Pupil outcome: I can represent addition problems using ‘first, then, then, now’ and bar models. Key learning points: - Addition of three addends can be described with a first …, then …, then …, now structure. - A bar model can be used to...
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Angles in quadrilaterals
Pupil outcome: I can explain why the angles in a quadrilateral sum to 360° and use this to find missing angles. Key learning points: - A quadrilateral is a shape with four sides and four vertices. - Interior angles in a quadrilateral are...
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Angles in triangles
Pupil outcome: I know that the angles in a triangle sum to 180°. Key learning points: - Angles on a straight line sum to 180 degrees. - Interior angles in triangles sum to 180 degrees. - Missing angles can be calculated using the sum of...
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Know that the angles at a point sum to 360 degrees and use this to solve problems
Pupil outcome: I can recognise that angles at a point sum to 360° and use this to solve problems. Key learning points: - Angles that meet at a point have a sum of 360 degrees. - To calculate missing angles you can use addition and...
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Know that the angles on a straight line sum to 180 degrees and use this to solve problems
Pupil outcome: I know that the angles on a straight line sum to 180 degrees and use this to solve problems. Key learning points: - Angles on a straight line have a sum of 180 degrees. - To calculate missing angles you can use addition...
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Review column addition and identify the addends and sum
Pupil outcome: I can identify the addends and the sum in column addition. Key learning points: - The addends are written in columns with the same value digits in the same column. - One addend is written above the other one. - The sum is...
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Use column addition to solve problems
Pupil outcome: I can use column addition to solve problems. Key learning points: - Estimate the answer first to improve your accuracy - The addends are written in columns with the same value digits in the same column - The sum is...
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Identify the addends and the sum in column addition
Pupil outcome: I can identify the addends and the sum in column addition. Key learning points: - In column addition, one addend is written below the other. - The equals sign shows it is an equation. - The sum appears within the equals sign.
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Use the additive relationship to rearrange addition equations
Pupil outcome: I can rearrange addition equations. Key learning points: - Equations can be represented using part-part-whole or bar models. - The sum is the whole and the addends are parts. - Equations can be written starting with the...
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Explain why there is sometimes only one solution to a problem
Pupil outcome: I can explain why there is sometimes only one solution to a problem. Key learning points: - Some problems with two unknowns have only one solution. - If both the sum of and difference between the two unknowns are known...
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Review adding 2-digit numbers using column addition without regrouping
Pupil outcome: I can add 2-digit numbers using column addition. Key learning points: - The addends are written in columns with the same value digits in the same column. - Start by adding the numbers with the smallest place value first. -...
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Find pairs of numbers that sum to 10
Pupil outcome: I can find pairs of numbers that sum to ten. Key learning points: - Ten can be partitioned into pairs of numbers that sum to ten. - Quickly remembering these number pairs is important for later work. - Knowledge of odd and...
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Reasoning about angles in polygons
Pupil outcome: I can reason about the sum of the angles within different polygons. Key learning points: - Angles describe and measure a turn or rotation. - Protractors can be used to measure and draw angles. - Use knowledge of right...
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Add two 3-digit numbers using partitioning
Pupil outcome: I can add two 3-digit numbers using partitioning. Key learning points: - Partitioning can be used to add 3-digit numbers - Unitising means we can use known facts to add larger numbers. For example, 370 + 260 is equal to 37...
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Add 3 numbers together using doubles and near doubles
Pupil outcome: I can use doubles and near doubles to add three numbers. Key learning points: - Addition of 3 addends can be described by an aggregation story with 3 parts. - Number facts to 10 can help to add three small numbers. -...
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Using redistribution with addition of integers
Pupil outcome: I can use redistribution with addition of integers. Key learning points: - If one part is increased and the other is decreased by the same amount, the whole stays the same. - If one part is decreased and the other is...