Instructional Video18:04
Curated Video

Review using column subtraction with regrouping from hundreds to tens

Pre-K - Higher Ed
Pupil outcome: I can use column subtraction, including regrouping from the hundreds to tens. Key learning points: - Regroup when the ones or tens digit of the subtrahend is greater than the ones or tens digit of the minuend. - Regroup a...
Instructional Video25:10
Curated Video

Review using column addition to add 2- and 3-digit 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 Video20:58
Curated Video

Multiply a 2-digit number by a 1-digit number using expanded multiplication (regrouping 10s to 100s)

Pre-K - Higher Ed
Pupil outcome: I can use expanded multiplication to record regrouping from the 10s to the 100s. Key learning points: - If the product of the single digit and the tens number is greater than 100 then you regroup ten tens into one hundred....
Instructional Video20:46
Curated Video

Multiply a 3-digit by a 1-digit number with multiple regroups

Pre-K - Higher Ed
Pupil outcome: I can multiply a 3-digit by a 1-digit number using expanded and short multiplication (multiple regroups). Key learning points: - If the product of the ones digits is greater than 10 then you regroup ten ones into one ten....
Instructional Video18:31
Curated Video

Multiply a 2-digit number by a 1-digit number using short multiplication (regrouping 10s to 100s)

Pre-K - Higher Ed
Pupil outcome: I can use short multiplication to record regrouping from the 10s to the 100s Key learning points: - If the product of the single digit and the tens number is greater than 100 then you regroup ten tens into one hundred. -...
Instructional Video19:50
Curated Video

Multiply a 2-digit number by a 1-digit number using partitioning and representations (one regroup)

Pre-K - Higher Ed
Pupil outcome: I can use an array to represent multiplication and use place value in an array to represent multiplication of a 2-digit number Key learning points: - Partitioning allows us to multiply the tens and then the ones and...
Instructional Video21:17
Curated Video

Review using column addition with regrouping in the ones and tens columns

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. - If the sum of the ones or tens digits is...
Instructional Video23:41
Curated Video

Use knowledge of column addition to solve problems in a range of contexts

Pre-K - Higher Ed
Pupil outcome: I can use column addition with regrouping to solve problems. Key learning points: - Estimation gives you a value close to the correct answer. - Start with the digits with the smallest place value so that regrouping can be...
Instructional Video24:13
Curated Video

Explain how to use long multiplication to multiply a 4-digit by a 2-digit number

Pre-K - Higher Ed
Pupil outcome: I can explain how to use long multiplication to multiply a 4-digit by a 2-digit number. Key learning points: - Calculate the partial products. - Add the partial products to recombine. - Regroup when numbers bridge 10, 100,...
Instructional Video19:16
Curated Video

Explain how to use long multiplication to multiply a 3-digit by a 2-digit number

Pre-K - Higher Ed
Pupil outcome: I can explain how to use long multiplication to multiply a 3-digit by a 2-digit number. Key learning points: - Calculate the partial products. - Add the partial products to recombine. - Regroup when numbers bridge 10, 100...
Instructional Video17:57
Curated Video

Explain how to use long multiplication to multiply two 2-digit numbers with regrouping

Pre-K - Higher Ed
Pupil outcome: I can explain how to use long multiplication to multiply two 2-digit numbers with regrouping. Key learning points: - Calculate the partial products. - Add the partial products to recombine. - Regroup when numbers bridge 10...
Instructional Video25:28
Curated Video

Review using column addition to add 2- and 3-digit numbers by regrouping ones

Pre-K - Higher Ed
Pupil outcome: I can use column addition including regrouping ones. Key learning points: - When using column addition, start by adding the numbers with the smallest place value first. - If the sum of the ones digits is ten or greater,...
Instructional Video23:53
Curated Video

Use column addition to add numbers by regrouping ones

Pre-K - Higher Ed
Pupil outcome: I can use column addition to add numbers by regrouping ones. Key learning points: - Start with the ones column so that regrouping can be represented - If the sum of the ones digits is ten or greater, regrouping is needed -...
Instructional Video24:23
Curated Video

Multiply a 3-digit by a 1-digit number with one or two regroups

Pre-K - Higher Ed
Pupil outcome: I can multiply a 3-digit by a 1-digit number using expanded and short multiplication (one or two regroups). Key learning points: - If the product of the ones digits is greater than 10 then you regroup ten ones into one...
Instructional Video20:00
Curated Video

Decide on the most efficient subtraction strategy, including column subtraction

Pre-K - Higher Ed
Pupil outcome: I can make efficient use of subtraction strategies, including column subtraction. Key learning points: - Look carefully at the numbers in a calculation. - Column subtraction might be the most efficient method to use if...
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 Video27:15
Curated Video

Use column addition with regrouping to solve problems

Pre-K - Higher Ed
Pupil outcome: I can use column addition with regrouping to solve problems. Key learning points: - Estimate the answer first to improve your accuracy. - Start with the numbers with the smallest place value so that regrouping can be...
Instructional Video26:55
Curated Video

Subtract from a 2-digit number using column subtraction with regrouping

Pre-K - Higher Ed
Pupil outcome: I can subtract from a 2-digit number using column subtraction with regrouping. Key learning points: - Start with the numbers with the smallest place value. - Regroup when the ones digit of the subtrahend is greater than...
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 Video28:14
Curated Video

Add and subtract 1 to and from a 2-digit number crossing the tens boundary

Pre-K - Higher Ed
Pupil outcome: I can add and subtract one to and from a two-digit number crossing the tens boundary. Key learning points: - Finding one more is the same as adding one; finding one less is the same as subtracting one. - Numbers that are...
Instructional Video29:14
Curated Video

Use known facts and strategies to accurately and efficiently calculate and check column addition

Pre-K - Higher Ed
Pupil outcome: I can use known facts and strategies to efficiently calculate and check column addition. Key learning points: - Consider each calculation to see whether column addition is the most efficient method to use. - Use strategies...
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 Video30:00
Curated Video

Solving problems using column addition and subtraction

Pre-K - Higher Ed
Pupil outcome: I can solve problems using column addition and subtraction Key learning points: - When solving problems, the column addition and column subtraction algorithms are sometimes the most efficient methods. - If the numbers have...
Instructional Video11:20
Curated Video

Chevauchée, 1355 AD Battle of Poitiers Part 1 of 2

6th - Higher Ed
Chevauchée, 1355 AD Battle of Poitiers Part 1 of 2