Securing place value to 100 and applying to addition and subtraction
Securing place value to 100 and applying to addition and subtraction
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Why this why now
This unit applies the single digit calculations crossing the tens boundaries of the last unit to multiples of ten, bridging 100. Pupils explore complements to 100, applying known facts within and to 20 whilst reviewing and securing place value to 100. This unit prepares pupils for working with 3-digit numbers in different contexts.
Prior knowledge requirements
- Count and read numbers to 100
- Partition numbers into tens and ones
- Add and subtract within 100 using place value
Threads
Why this why now
This unit applies the single digit calculations crossing the tens boundaries of the last unit to multiples of ten, bridging 100. Pupils explore complements to 100, applying known facts within and to 20 whilst reviewing and securing place value to 100. This unit prepares pupils for working with 3-digit numbers in different contexts.
Prior knowledge requirements
- Count and read numbers to 100
- Partition numbers into tens and ones
- Add and subtract within 100 using place value
Securing place value to 100 and applying to addition and subtraction
In this unit pupils will use known facts to find multiples of ten that compose 100 and use known facts to find complements to 100. They will add and subtract multiples of ten, bridging 100.
10 lessons in unit
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