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- Using Addition Calculations to Check Answers Reasoning Test Practice
- Adding Decimals within 1 Prior Learning
- Add Whole Numbers with More than Four Digits Prior Learning
- Estimate Answers Reasoning and Problem Solving
- Estimate Answers Homework
- Efficient Subtraction Reasoning and Problem Solving
- Checking Strategies Reasoning and Problem Solving
- Checking Strategies Discussion Problem
- Inverse Operations (Addition and Subtraction) Prior Learning
- Round to Check Answers Prior Learning
- Subtract Two 4-Digit Numbers - More than One Exchange Supporting Activity
- Subtract Two 4-Digit Numbers - More than One Exchange Mixed Activity
- Estimate Answers Supporting Activity
- Estimate Answers Mixed Activity
- Efficient Subtraction Supporting Activity
- Efficient Subtraction Mixed Activity
- Checking Strategies Supporting Activity
- Checking Strategies Mixed Activity
- Estimate Answers Varied Fluency
- Estimate Answers Modelling PPT
- Estimate Answers Discussion Problem
- Efficient Subtraction Varied Fluency
- Efficient Subtraction Modelling PPT
- Efficient Subtraction Homework
- Efficient Subtraction Discussion Problem
- Subtract Two 4-Digit Numbers - More than One Exchange Varied Fluency
- Subtract Two 4-Digit Numbers - More than One Exchange Reasoning and Problem Solving
- Subtract Two 4-Digit Numbers - More than One Exchange Modelling PPT
- Subtract Two 4-Digit Numbers - More than One Exchange Homework
- Subtract Two 4-Digit Numbers - More than One Exchange Discussion Problem
- Add Two 4-Digit Numbers - More than One Exchange Varied Fluency
- Add Two 4-Digit Numbers - More than One Exchange Reasoning and Problem Solving
