# ADDITION and SUBTRACTION - ALGORITHM DEVELOPMENT PROGRAMS + 200 Task Cards + Screeners

**Price:** $10.00 AUD
**Seller:** TeachBuySell Seller

**Year Levels:** year3, year4, year5
**Subjects:** mathematics
**Curriculum:** Australian Curriculum [object Object]

## Description

This is the way I teach addition and subtraction when the horizontal format isn't working or place value concepts are not fully understood and applied. It works every time . Ideally, you need a Place Value Mat and MAB. I just bought plain place mats and ruled them up with a permanent marker. I have included paper MAB, but the wooden ones are the best and worth every cent. It breaks down the algorithm process into incremental steps that result in mastery and a thorough understanding of base ten. The 200 Task Cards target higher order thinking asking the learner to apply the skills they have learnt in real world situations.

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