Instructional Video25:39
Curated Video

Subtract by bridging a multiple of ten

Pre-K - Higher Ed
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...
Instructional Video25:38
Curated Video

Add and subtract multiples of ten

Pre-K - Higher Ed
Pupil outcome: I can add and subtract multiples of ten. Key learning points: - Unitising and known facts help you to add and subtract multiples of ten. - If 3 + 2 is equal to 5 then 3 tens + 2 tens is equal to 5 tens which is equal to 50...
Instructional Video25:42
Curated Video

Post-war American popular culture

Pre-K - Higher Ed
Pupil outcome: I can assess the changes in American popular culture during the post-war period. Key learning points: - Televisions became widely available and popular. - A new 'teenage' identity developed in the 1940s and 1950s. - Rock...
Instructional Video26:28
Curated Video

Use column addition to add numbers by regrouping tens

Pre-K - Higher Ed
Pupil outcome: I can use column addition to add numbers by regrouping tens. Key learning points: - When using column addition, start by adding the numbers with the smallest place value first. - If the sum of the tens digits is ten or...
Instructional Video26:23
Curated Video

Explain how making a factor 100 times the size affects the product

Pre-K - Higher Ed
Pupil outcome: I can explain how making a factor 100 times the size affects the product. Key learning points: - If one factor is made one hundred times the size, the product will be one hundred times the size. - One factor has been...
Instructional Video26:46
Curated Video

Choose efficient approaches when subtracting mixed numbers

Pre-K - Higher Ed
Pupil outcome: I can choose efficient approaches when subtracting mixed numbers. Key learning points: - Partitioning is a strategy that can be used to subtract mixed numbers. - When partitioning, the whole number part and the fractional...
Instructional Video26:30
Curated Video

Use knowledge of calculating 50%, 10% and 1% of a number to solve problems in a range of contexts

Pre-K - Higher Ed
Pupil outcome: I can calculate 50%, 10% and 1% of a number and use this to solve problems. Key learning points: - To find 50% of a number, halve it. - To find 10% of a number, divide it by 10 - To find 1% of a number, divide it by 100
Instructional Video25:52
Curated Video

Use the additive relationship to rearrange and solve equations

Pre-K - Higher Ed
Pupil outcome: I can use the additive relationship to rearrange and solve equations. Key learning points: - When a whole is missing, add the parts together. - To find a missing part, subtract the other part from the whole. - Rearrange...
Instructional Video26:06
Curated Video

Bridge 100 by adding or subtracting a single-digit number

Pre-K - Higher Ed
Pupil outcome: I can bridge 100 by adding or subtracting a single-digit number. Key learning points: - Knowledge of number facts to 20 can support calculation across the 100 boundary. - If 8 plus 7 is equal to 15 then 98 plus 7 is equal...
Instructional Video26:01
Curated Video

Explain how constant difference can make written calculations more efficient

Pre-K - Higher Ed
Pupil outcome: I can explain how using the same difference rule can make written calculations easier. Key learning points: - It is easier to use a written strategy for subtraction when no exchanging is required. - If the minuend and...
Instructional Video25:53
Curated Video

Addition by bridging through 10

Pre-K - Higher Ed
Pupil outcome: I can add two numbers by bridging through ten. Key learning points: - Partitioning addends supports bridging 10. - Pairs to 10 can be used to add two or more addends.
Instructional Video26:49
Curated Video

Solve problems involving subtraction when bridging 10

Pre-K - Higher Ed
Pupil outcome: I can solve problems involving subtraction of two-digit numbers that cross the tens boundary. Key learning points: - Some problems involving the subtraction of two-digit numbers, can be solved by bridging 10 - We can look...
Instructional Video25:59
Curated Video

Use near doubles within 10

Pre-K - Higher Ed
Pupil outcome: I can use near doubles within 10. Key learning points: - We can use double facts to solve near-double calculations. - We can double the smaller addend and add 1 If 4 + 4 = 8, then 4 + 5 is one more than 8, which is 9 - We...
Instructional Video26:48
Curated Video

Combine tens and ones within equations

Pre-K - Higher Ed
Pupil outcome: I can combine and partition tens and ones in the context of equations. Key learning points: - Known strategies can be used to help us prepare for the addition of two 2-digit numbers. - It is important to be able to...
Instructional Video25:49
Curated Video

Partition the numbers one to five in a systematic way

Pre-K - Higher Ed
Pupil outcome: I can partition the numbers one to five in a systematic way and know when I have found all the combinations. Key learning points: - Know there are different ways to partition the numbers one to five. - Know each of the...
Instructional Video26:01
Curated Video

Find pairs of numbers that sum to 10

Pre-K - Higher Ed
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...
Instructional Video26:13
Curated Video

Use knowledge of doubles to calculate near-doubles

Pre-K - Higher Ed
Pupil outcome: I can use knowledge of doubles to calculate near-doubles. Key learning points: - Knowing double facts helps you to calculate near-doubles. - If 2 + 2 is equal to 4, then 2 + 3 is equal to one more than 4 which is 5
Instructional Video26:24
Curated Video

Represent addition and subtraction of tens and ones with equations

Pre-K - Higher Ed
Pupil outcome: I can represent the combining and partitioning of tens and ones with addition and subtraction equations. Key learning points: - When tens and ones are combined to make a two-digit number, this can be represented it as an...
Instructional Video27:51
Curated Video

Develop understanding of the relationship between addition and subtraction

Pre-K - Higher Ed
Pupil outcome: I can understand the relationship between addition and subtraction. Key learning points: - Equations can be represented using part-part-whole or bar models - The sum in an addition and the minuend in a subtraction both...
Instructional Video28:44
Curated Video

Ordering sets of 3-digit numbers

Pre-K - Higher Ed
Pupil outcome: I can order a set of 3-digit numbers. Key learning points: - If the 100s digits are different, the numbers can be compared or ordered by looking at the 100s digit. - If the 100s digits are the same, the numbers can be...
Instructional Video28:48
Curated Video

Use column addition with regrouping in ones and tens

Pre-K - Higher Ed
Pupil outcome: I can use column addition with regrouping in the ones and tens. Key learning points: - When using column addition, start by adding the numbers with the smallest place value first. - Make sure that any regrouped 10s are...
Instructional Video28:33
Curated Video

Find 10 more or 10 less than a given number

Pre-K - Higher Ed
Pupil outcome: I can find 10 more and 10 less than a number up to 200 Key learning points: - When you count in tens, the ones digit stays the same. - When you count in tens, the tens and hundreds digits may change. - Knowledge of place...
Instructional Video28:05
Curated Video

Multiples of 10 that total 100

Pre-K - Higher Ed
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...
Instructional Video28:10
Curated Video

Finding the missing number from 0 to 20

Pre-K - Higher Ed
Pupil outcome: You can find the missing number from 0 to 20. Key learning points: - Use knowledge of stable order principle to figure out missing numbers on a number track. - Use knowledge of one more than and one less than to work out...