Books 18, 19 and 20 cover 27 learning intentions for children aged about 9 to 11 years old.

At this level, students are learning to choose the best way to solve an addition or subtraction problem from a range of strategies. They see numbers as ‘whole’ units but also understand that ‘nested’ within these units is a range of possibilities for partitioning (breaking up) and recombining. This is called part-whole thinking.

For example, 29 + 28 = ?

Using compensation: 30 + 27 or 30 + 28 – 1

Using place value partitioning: 29 + 20 + 8

or 20 + 20 + 9 + 8.

They can also derive multiplication from known facts, e.g., 3 x 8 = 24, so 6 x 8 = 24 + 24 = 48. By now they should know their times tables, decimal numbers to three places and be able to read any fraction.

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# Book 20 e-Copy 2020 Edition

Book 20 covers some of Stage 6 (for kids in Years 5 & 6). Together, Books 18, 19 and 20 cover all of Stage 6.

You will also get:

- information about the curriculum,
- learning intention progress chart,
- worksheets, activities and board games,
- certificates and other print-and-cut resources.