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Curated Video
Use number facts to solve addition and subtraction problems.
Pupil outcome: I can use number facts to solve addition and subtraction problems. Key learning points: - Known facts can be used to help find new facts efficiently. - Known facts can be used to solve addition and subtraction problems. -...
Curated Video
Subtract multiples of ten from 2-digit numbers
Pupil outcome: I can use number facts to subtract multiples of ten from a two-digit number. Key learning points: - When subtracting multiples of ten from a two-digit number, the tens digit changes but the ones digit stays the same. - We...
Curated Video
Add multiples of 10 to 2-digit numbers.
Pupil outcome: I can use number facts to add multiples of 10 to two-digit numbers. Key learning points: - When adding multiples of ten to a two-digit number, the tens digit changes but the ones digit stays the same. - Number facts can be...
Curated Video
Use number facts to solve problems in measures and data contexts
Pupil outcome: I can use number facts to solve problems in measures and data contexts. Key learning points: - Known addition and subtraction facts can be used to to help solve problems more efficiently. - Drawing a bar model can help...
Curated Video
Represent addition and subtraction facts within 10
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...
Curated Video
Use known facts to find pairs of numbers that total 100
Pupil outcome: I can use known facts to find pairs of numbers that total 100 Key learning points: - Number facts to 10 can be applied to multiples of 10 - If 3 plus 2 is equal to 5 then 3 tens plus 2 tens is equal to 5 tens. - When you...
Curated Video
Use known facts to add and subtract multiples of 100 within 1000
Pupil outcome: I can add and subtract multiples of 100 Key learning points: - Known facts can be used to help calculate with multiples of a hundred. - If we know that 2 ones plus 4 ones equals 6 ones we know that 2 100s plus 4 100s...
Curated Video
Subtract by bridging a multiple of ten
Pupil outcome: I can bridge ten to subtract single digit numbers from two-digit numbers. Key learning points: - When we subtract a one-digit from a two-digit number, the equation may be solved more efficiently by 'bridging ten'. - When...
Curated Video
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. -...
Curated Video
Multiples of 10 that total 100
Pupil outcome: I can find multiples of 10 that total 100 Key learning points: - There are 10 tens in 100 - Knowledge of bonds to 10 can be applied to multiples of to 10 - If 4 plus 6 is equal to 10 then 4 tens plus 6 tens is equal to 10...
Curated Video
Solve equations involving the subtraction of two-digit numbers
Pupil outcome: I can solve equations involving the subtraction of two-digit numbers. Key learning points: - The known part can be partitioned into tens and ones before subtracting to help subtract two-digit numbers. - Known facts and the...
Curated Video
Partition 2-digit numbers in different ways
Pupil outcome: I can partition two-digit numbers in a range of ways. Key learning points: - Two-digit numbers can be partitioned into two or more parts. - Known facts can be used to help partition a two-digit number into a multiple of...
Curated Video
Use known facts and mental strategies to calculate with decimal numbers within and across a whole
Pupil outcome: I can use known facts and mental strategies to calculate with decimal numbers within and across a whole. Key learning points: - If you know that 5 + 2 is equal to 7 then 5 tenths + 2 tenths is equal to 7 tenths so 0.5 +...
Curated Video
Add three addends efficiently using a range of strategies
Pupil outcome: I can choose the best strategy to add three small numbers together. Key learning points: - Using commutativity allows us to simplify a problem with three addends. - Using known facts allows us to add three addends...
Math Mammoth
Math Mammoth: Two Subtractions From One Addition
In this video, students are introduced to the concept of fact families. Visual models are used to show how one addition fact yields two subtraction facts. They are then presented with some true or false questions and word problems. [8:44]
Math Mammoth
Math Mammoth: Number Rainbow and Fact Families With 12
Teaches strategies for learning the addition and subtraction facts for 12 using a number rainbow. Students are then presented with a subtraction facts drill where they practice along to the video. [6:40]
Math Mammoth
Math Mammoth: Number Rainbow and Fact Families With 14
Teaches strategies for learning the subtraction facts for 14, as well as pairs of numbers that add up to 14. Students are then presented with a subtraction facts drill where they practice along to the video. [4:14]
Khan Academy
Khan Academy: Add and Subtract: Pieces of Fruit
Demonstrates how to add and subtract pieces of fruit using the numbers 5 and 3. [2:17]