Securing place value to 100 and applying to addition and subtraction
Why this, why now
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.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 2 / 20
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- Bridge 100 by subtracting in multiples of 10
- Use known facts to find complements to 100 efficiently
- Represent 3-digit multiples of 10 in different ways
- Composition of 100 in 10s and 1s
- Multiples of 10 that total 100
- Composition of 100 in 50s, 25s and 20s
- Use place value knowledge to write addition and subtraction equations
- Use known facts to find pairs of numbers that total 100
- Solve problems using knowledge of addition and subtraction of multiples of 10
- Bridge 100 by adding in multiples of 10