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Curated Video
Find 10 more or less than a 2-digit number.
Pupil outcome: I can find 10 more or 10 less than a two-digit number. Key learning points: - When finding 10 more or 10 less than any two-digit number, the ones digits does not change. - When finding 10 more than a number below 100, the...
Curated Video
Know that addition and subtraction are inverse operations
Pupil outcome: I can recognise addition and subtraction as the inverse of each other. Key learning points: - Addition is the inverse of subtraction. Addition can 'undo' subtraction. - Subtraction is the inverse of addition. Subtraction...
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Finding the missing numbers
Pupil outcome: You can work out what the missing number is on a number track or number line. Key learning points: - Secure knowledge and recognition of the digits 0-10 to work out missing numbers on both number track and number lines.
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Explain how a divisor of one affects the quotient
Pupil outcome: I can explain how a divisor of one affects the quotient. Key learning points: - If the divisor is equal to 1, then the dividend and the quotient will be equal. - Any number divided by 1 is equal to itself.
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Addition and subtraction involving zero
Pupil outcome: I can add and subtract zero and know when the difference is zero. Key learning points: - When zero is added to a number the number, the number does not change. - When zero is subtracted from a number, the number does not...
Curated Video
Identify missing factors when one factor is 2
Pupil outcome: I can identify missing factors when one of the factors is 2 Key learning points: - When one of the factors is 2, the other factor is half of the product. - We can use our knowledge of doubling and halving to help us find a...
Curated Video
Explain how doubling and halving are related
Pupil outcome: I can explain how doubling and halving are related. Key learning points: - If double 4 is 8, then half of 8 is 4 - Halving means to partition the number into two equal groups. - Halving is the inverse of doubling. -...
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Explain the relationship between adjacent multiples of 5
Pupil outcome: I can explain the relationship between adjacent multiples of 5 Key learning points: - Adjacent multiples of 5 have a difference of 5 - If you add 5 to a multiple of 5 you get the next multiple of 5 - If you subtract 5 from...
Curated Video
Multiply a 3-digit by a 1-digit number with no regroups
Pupil outcome: I can multiply a 3-digit by a 1-digit number using expanded and short multiplication (no regroups). Key learning points: - Expanded multiplication of a 3-digit by a 1-digit number will give three numbers to add to...
Curated Video
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...
Curated Video
Solve one and two-step problems in different contexts
Pupil outcome: I can solve one and two-step problems in different contexts. Key learning points: - When a part is missing, subtract the other part from the whole. - When the whole is missing, add the parts together. - Look for the...
Curated Video
Explain why the product stays the same when one factor is doubled and the other is halved
Pupil outcome: I can explain why the product stays the same when one factor is doubled and the other is halved. Key learning points: - When one factor is doubled and the other is halved, the product remains the same. - Arrays can be...
Curated Video
Explain the effect on the quotient when scaling the dividend and the divisor by the same amount
Pupil outcome: I can explain the effect on the quotient when scaling the dividend and the divisor by the same amount. Key learning points: - If the dividend and divisor are both scaled by the same amount, the quotient will remain the...
Curated Video
Explain the effect on the product when scaling the factors up and down by the same amount
Pupil outcome: I can scale factors up and down by the same amount and explain the effect. Key learning points: - When one factor is scaled and the other is scaled down by the same amount, the product remains the same. - Arrays can...
Curated Video
Subtracting numbers that bridge through 10
Pupil outcome: I can subtract through 10 using bridging. Key learning points: - When the subtrahend is bigger than the ones value of the minuend, we will have to bridge through 10 - Composition of numbers to 10 allows us to partition...
Curated Video
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...
Curated Video
Use representations to round a decimal number with tenths to the nearest whole number
Pupil outcome: I can use representations to round a decimal number with tenths to the nearest whole number. Key learning points: - Identify the next and previous whole numbers to the number being rounded. - Identify which whole number is...
Curated Video
Calculate the difference using knowledge of an adjusted subtrahend: difference structure
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...
Curated Video
Explain how adjusting the subtrahend affects the difference: partitioning
Pupil outcome: I can explain how increasing or decreasing the subtrahend affects the difference in a partitioning structure. Key learning points: - The more you subtract the less you are left with. - The less you subtract the more you...
Curated Video
Identify knowns and unknowns in subtraction equations
Pupil outcome: I can identify knowns and unknowns in subtraction equations. Key learning points: - Equations can be represented using part-part-whole or bar models. - If the minuend is missing, you add the subtrahend and difference. - To...
Curated Video
Use knowledge of the relationship between the 2, 4 and 8 times tables to solve problems
Pupil outcome: I can use the relationship between the 2, 4 and 8 times tables to solve problems. Key learning points: - If you double the multiples of 2 you get the multiples of 4 - If you double the multiples of 4 you get the multiples...
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Divide a 2-digit by a 1-digit number using short division (no regrouping )
Pupil outcome: You can divide a 2-digit by a 1-digit number using short division (no regrouping or remainders) Key learning points: - Short division helps us to organise division by partitioning. - The language of unitising helps to...
Curated Video
Explain how to balance an equation with two unknowns
Pupil outcome: I can explain how to balance an equation with two unknowns. Key learning points: - The same sum rule can be used to balance equations. - The same difference rule can be used to balance equations. - Understanding of the...
Curated Video
Explain how you know you have found all the possible solutions to a problem with two unknowns
Pupil outcome: I can explain how you know you have found all the possible solutions to a problem with two unknowns. Key learning points: - A trial and improvement approach can be used if a model can't easily be drawn. - A table can be...