Calculations within 20
Unit 2 – 3 weeks
Primary
KS1
Year 2
Curriculum
The PowerPoint file contains slides you can use in the classroom to support each of the learning outcomes for this unit, listed below.
The slides are comprehensively linked to associated pedagogical guidance in the NCETM Primary Mastery Professional Development materials. There are also links to the ready-to-progress criteria detailed in the DfE Primary Mathematics Guidance 2020.
Learning outcomes
| # | Title |
|---|---|
| 1 | Pupils add three addends |
| 2 | Pupils use a ‘First... Then… Now” story to add 3 addends |
| 3 | Pupils explain that addends can be added in any order |
| 4 | Pupils add 3 addends efficiently |
| 5 | Pupils add 3 addends efficiently by finding two addends that total 10 |
| 6 | Pupils add two numbers that bridge through 10 |
| 7 | Pupils subtract two numbers that bridge through 10 |
| 8 | Pupils compare numbers and describe how many more or less there are in each set |
| 9 | Pupils calculate the difference |
| 10 | Pupils use knowledge of subtraction to solve problems in a range of contexts |
| 11 | Pupils explain what the difference is between consecutive numbers |
| 12 | Pupils calculate difference when information is presented in a pictogram |
| 13 | Pupils calculate difference when information is presented in a bar chart |