Review of column addition and subtraction
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Threads
Why this why now
This unit gives pupils the chance to review and secure column and addition strategies, revisiting place value, estimating and ensuring that they are using the most efficient strategy in a given situation. They have the opportunity to apply known number facts and apply their knowledge to solve problems. This unit makes sure that pupils are ready to work with 4-digit numbers in future units.
Prior knowledge requirements
- Use column methods with 2- and 3-digit numbers
- Understand regrouping and borrowing
- Estimate answers and check for reasonableness
Threads
Why this why now
This unit gives pupils the chance to review and secure column and addition strategies, revisiting place value, estimating and ensuring that they are using the most efficient strategy in a given situation. They have the opportunity to apply known number facts and apply their knowledge to solve problems. This unit makes sure that pupils are ready to work with 4-digit numbers in future units.
Prior knowledge requirements
- Use column methods with 2- and 3-digit numbers
- Understand regrouping and borrowing
- Estimate answers and check for reasonableness
Review of column addition and subtraction
In this unit pupils will revisit column addition with regrouping and column subtraction with exchanging to solve problems.
15 lessons in unit
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