Instructional Video24:11
Curated Video

Identify knowns and unknowns in addition equations

Pre-K - Higher Ed
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....
Instructional Video22:11
Curated Video

Composition of seven-digit numbers

Pre-K - Higher Ed
Pupil outcome: I can explain how a 7-digit number can be composed. Key learning points: - Known facts and unitising can be applied when partitioning 7-digit numbers. - If the missing part is an addend then the other addend is subtracted...
Instructional Video23:31
Curated Video

Review and use knowledge of place value to correctly lay out column addition

Pre-K - Higher Ed
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...
Instructional Video25:25
Curated Video

Use place value to correctly lay out column addition

Pre-K - Higher Ed
Pupil outcome: I can use place value to lay out column addition correctly. Key learning points: - The addends are written with the same value digits in the same column - The sum is recorded underneath with the same value digits in the...
Instructional Video24:17
Curated Video

Numbers can be added in any order

Pre-K - Higher Ed
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...
Instructional Video25:29
Curated Video

Review adding 3-digit numbers using column addition without regrouping

Pre-K - Higher Ed
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...
Instructional Video22:25
Curated Video

Add three addends by finding pairs that total 10

Pre-K - Higher Ed
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...
Instructional Video20:42
Curated Video

Add 3 numbers together in different contexts

Pre-K - Higher Ed
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...
Instructional Video23:34
Curated Video

Use a model to interpret a part-part-whole problem with three addends

Pre-K - Higher Ed
Pupil outcome: I can use a model to interpret and represent a part-whole problem with three addends. Key learning points: - Bar models represent additive problems with two addends. - Bar models represent additive problems with three...
Instructional Video22:35
Curated Video

Review column addition and identify the addends and sum

Pre-K - Higher Ed
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...
Instructional Video22:38
Curated Video

Use column addition to solve problems

Pre-K - Higher Ed
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...
Instructional Video22:41
Curated Video

Identify the addends and the sum in column addition

Pre-K - Higher Ed
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.
Instructional Video25:20
Curated Video

Use the additive relationship to rearrange addition equations

Pre-K - Higher Ed
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...
Instructional Video26:23
Curated Video

Review adding 2-digit numbers using column addition without regrouping

Pre-K - Higher Ed
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. -...
Instructional Video26:34
Curated Video

Use written strategies and known facts to calculate the value of a missing part

Pre-K - Higher Ed
Pupil outcome: I can use written strategies and known facts to calculate the value of a missing part. Key learning points: - Drawing a model for helps us to solve more complicated problems in a range of contexts. - Mental strategies can...
Instructional Video27:04
Curated Video

Add and subtract mentally without bridging a boundary

Pre-K - Higher Ed
Pupil outcome: I can add and subtract mentally without bridging a boundary with one or more digits changing Key learning points: - Known facts to 10 can be applied when adding and subtracting 100s, 1,000s, 10,000s and 100,000s - When...
Instructional Video26:32
Curated Video

Use mental strategies and known facts to calculate the value of a missing part

Pre-K - Higher Ed
Pupil outcome: I can use mental strategies and known facts to calculate the value of a missing part. Key learning points: - Drawing a model for a simpler problem helps us to solve more complicated problems. - Known facts can be used to...
Instructional Video26:58
Curated Video

Add two 3-digit numbers using partitioning

Pre-K - Higher Ed
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...
Instructional Video29:47
Curated Video

Add 2-digit numbers using column addition

Pre-K - Higher Ed
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 numbers with the smallest place value first -...
Instructional Video29:10
Curated Video

Use and explain the most efficient strategies when adding quantities of money

Pre-K - Higher Ed
Pupil outcome: I can use and explain the most efficient strategies when adding quantities of money Key learning points: - Informal calculation strategies such as rounding and compensating can be applied to calculating with money. - Same...
Instructional Video29:52
Curated Video

Find the missing addend when adding two-digit numbers

Pre-K - Higher Ed
Pupil outcome: I can find the missing addends when adding two-digit numbers. Key learning points: - Two-digit numbers can be partitioned to help find a missing digit or a missing addend. - One equation can be used to help solve another...
Instructional Video30:07
Curated Video

Add 3-digit numbers using column addition

Pre-K - Higher Ed
Pupil outcome: I can add 3-digit numbers using column addition. Key learning points: - When using column addition, start by adding numbers with the smallest place value first. - Use zero to show that there are no tens or ones in a...
Instructional Video30:15
Curated Video

Use knowledge of addition to add commonly used prices efficiently

Pre-K - Higher Ed
Pupil outcome: I can use knowledge of addition to add commonly used prices efficiently Key learning points: - Prices are often 1p or £1 lower than the next whole number of pounds so £2.99 not £3.00 - A number line supports rounding and...
Instructional Video33:08
Curated Video

Add three addends efficiently using a range of strategies

Pre-K - Higher Ed
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...