Addition and Subtraction

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#### Level contents

- * Assessment for the whole of Level 5
- ** Assessment test answers
- *** Assessment test records
- 5:00 Concept Dictionary - Addition and Sub...
- Teaching points extracted from worksheets showing the development of addition and subtraction concepts from Year 0 to Year 6
- 5:01 Mental strategies
- Show the jump strategy on the number line, then answer the questions. Perform other additions and subtractions mentally. Revise the compensation strategy.
- 5:01C Addition
- Consolidation page: Addition algorithms to three digits including decimal points. Addition word problems involving money. Trading boxes.
- 5:02 Addition
- Complete algorithms adding measurement abbreviations and decimals. Find total mass of items by making and completing algorithms.
- 5:03 Subtraction
- Complete subtraction algorithms using measurement abbreviations and decimals. Find the difference in the capacity of the containers by making and completing algorithms.
- 5:03C Subtraction
- Subtraction algorithms, trading tens, using decimals. Subtraction word problems.
- 5:04 Addition & subtraction
- Addition and subtraction used in shopping to buy and give change and in finding the mass of goods.
- 5:05 Mental strategies
- Revise use of the split strategy and known facts to find addition and subtraction solutions.
- 5:06 Checking by estimating
- Complete the algorithms and then estimate by rounding to check if answer is reasonable. Round to estimate total cost then solve using a calculator.
- 5:07 Addition and data
- Add to find totals in a table/ spreadsheet. Make and interpret the column graphs - vertical and horizontal. Estimate and solve.
- 5:07C Addition and subtraction
- Use the code to complete each addition or subtraction algorithm. Complete the algorithm and then estimate by rounding to the nearest 100 to see if your answer is reasonable. Use a calculator and check by estimating. Add rounded answers and investigate the accuracy of answers.
- 5:08 Addition to 4 digits
- Addition algorithms with up to 4 digits, including decimals. Word problems. Identify methods that could be useful for checking the page.
- 5:09 Subtraction to 4 digits
- Subtraction algorithms with 4 digits, including decimals. Calculate totals from a two - way table using a calculator, and solve associated subtraction word problems. Make up a problem using the table.
- 5:10 Subtracting from thousands
- Subtract from numbers containing 3 zeros using mental strategy or algorithm. Check answers using the jump strategy.
- 5:11 Addition to 5 digits
- Solve addition algorithms using 5-digit numbers. Use quotes to answer the questions by estimating and trial and error.
- 5:11PT Progress test
- Test of Addition and Subtraction
- 5:12 Subtraction to 5 digits
- Subtraction algorithms containing 5 digits. Use the inverse operation or a calculator to check your answers. Solve word problems.
- 5:13 5-digit addition and subtraction
- Addition and subtraction of 5-digit numbers with trading. Rounding to find totals. Match the correct number to make each algorithm true.
- 5:13C Large number addition and subtraction
- Addition and subtraction of 5-digit numbers with trading. Check your answers using a calculator or the inverse operation or estimation. Write a problem for each number sentence.
- 5:14 Using large numbers
- Addition and subtraction of multiple numbers containing up to 7-digits. In each case, work out an estimate and then the answer. Find the difference between your estimate and the answer
- 5:15 Checking inverse operations
- Use world map showing distance of plane flights. Use inverse operations to check calculations. Calculate flight distances from Sydney. Estimate and compare flight distances.
- 5:16 Addition and subtraction
- Use 'K' to represent thousands. Write in the longer form. Solve problems and compare answers.
- 5:16C Addition and subtraction
- Addition and subtraction algorithms - numbers contain up to 6 digits.
- 5:17 Number patterns and problems
- Addition and subtraction in word problems. Number sentences involving order of operations, expanding numbers and missing symbols. Basic algebra.
- 5:17PT Progress test
- Test of Addition and Subtraction
- 5:AC New Maths Builder Texts
- Placeholder
- 5:ACC Year 5 Cover
- Placeholder
- 5:NA00C Contents: Year 5 Maths Builder text
- Contents
- 5:NA00D Answers: 5:NA01-5:NA40C
- The answers to the Year 5 Maths Builder text 5:5:NA01-5:NA40C
- 5:NA00E Answers: 5:NA41-5:NA75
- The answers to the Year 5 Maths Builder text 5:NA41-5:NA75
- 5:NA01 Mental strategies
- Show the jump strategy on the number line, then answer the questions. Perform other additions and subtractions mentally. Revise the compensation strategy.
- 5:NA02 Addition
- Complete algorithms adding measurement abbreviations and decimals. Find total mass of items by making and completing algorithms.
- 5:NA02C Addition
- Consolidation page: Addition algorithms to three digits including decimal points. Addition word problems involving money. Trading boxes.
- 5:NA03 Subtraction
- Complete subtraction algorithms using measurement abbreviations and decimals. Find the difference in the capacity of the containers by making and completing algorithms.
- 5:NA03C Subtraction
- Subtraction algorithms, trading tens, using decimals. Subtraction word problems.
- 5:NA13 Mental strategies
- Revise use of the split strategy and known facts to find addition and subtraction solutions.
- 5:NA14 Checking by estimating
- Complete the algorithms and then estimate by rounding to check if answer is reasonable. Round to estimate total cost then solve using a calculator.
- 5:NA14C Addition and subtraction
- Use the code to complete each addition or subtraction algorithm. Complete the algorithm and then estimate by rounding to the nearest 100 to see if your answer is reasonable. Use a calculator and check by estimating. Add rounded answers and investigate the accuracy of answers.
- 5:NA15 Addition and data
- Add to find totals in a table/ spreadsheet. Make and interpret the column graphs - vertical and horizontal. Estimate and solve.
- 5:NA16 Addition to 4 digits
- Addition algorithms with up to 4 digits, including decimals. Word problems. Identify methods that could be useful for checking the page.
- 5:NA17 Subtraction to 4 digits
- Subtraction algorithms with 4 digits, including decimals. Calculate totals from a two - way table using a calculator, and solve associated subtraction word problems. Make up a problem using the table.
- 5:NA18 Subtracting from thousands
- Subtract from numbers containing 3 zeros using mental strategy or algorithm. Check answers using the jump strategy.
- 5:NA31 Addition to 5 digits
- Solve addition algorithms using 5-digit numbers. Use quotes to answer the questions by estimating and trial and error.
- 5:NA32 Subtraction to 5 digits
- Subtraction algorithms containing 5 digits. Use the inverse operation or a calculator to check your answers. Solve word problems.
- 5:NA45 5-digit addition and subtraction
- Addition and subtraction of 5-digit numbers with trading. Rounding to find totals. Match the correct number to make each algorithm true.
- 5:NA45C Large number addition and subtraction
- Addition and subtraction of 5-digit numbers with trading. Check your answers using a calculator or the inverse operation or estimation. Write a problem for each number sentence.
- 5:NA46 Using large numbers
- Addition and subtraction of multiple numbers containing up to 7-digits. In each case, work out an estimate and then the answer. Find the difference between your estimate and the answer
- 5:NA46C Large number addition and subtraction
- Addition and subtraction of 5-digit numbers with trading. Check your answers using a calculator or the inverse operation or estimation. Write a problem for each number sentence.
- 5:NA47 Checking: inverse operations
- Use world map showing distance of plane flights. Use inverse operations to check calculations. Calculate flight distances from Sydney. Estimate and compare flight distances.
- 5:NA48 Problem solving
- 5:NA48C Shopping
- Extension page. Find change by counting on. Find totals and change. Spend $5.
- 5:NA64 Addition and subtraction
- Use 'K' to represent thousands. Write in the longer form. Solve problems and compare answers.
- 5:NA64C Addition and subtraction
- Addition and subtraction algorithms - numbers contain up to 6 digits.
- 5:NA65 Budgeting
- List money raising activities and an estimate of the money you hope to raise.
- 5:S1 Subtracting 1
- Subtracting 1 by counting back
- 5:S2 Subtracting 2
- Subtracting 2 by counting back
- 5:S3 Subtraction facts to 20
- Subtraction facts to 20 are practised with a view to quick response using knowledge of addition facts.
- 5:plus1 Adding 1
- Number facts involving adding 1
- 5:plus2 Adding 2
- Number facts involving adding 2
- 5:plus3 Adding 3
- Addition combinations - adding 3
- 5:plus4 Adding 4
- Addition combinations - adding 4
- 5:plus5 Adding 5
- Addition combinations - adding 5
- 5:plus6 Adding 6
- Addition facts - adding 6
- 5:plus7 Adding 7
- Addition facts - adding 7
- 5:plus8 Adding 8
- Addition facts - adding 8
- 5:plus9 Adding 9
- Addition facts - adding 9
- 5:plusA Addition facts to 20
- Addition facts to 20
- 5:plusB Addition facts to 20
- Addition facts to 20
- 5:plusten Adding 10
- Addition facts - adding 10