Addition and Subtraction
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Level contents
- * Assessment for the whole of Level 6
- ** Assessment test answers
- *** Assessment test records
- 6:01 Addition and subtraction strategies
- Addition and subtraction using the split strategy, jump strategy, compensation strategy, and estimation by rounding.
- 6:02 Addition
- Addition algorithms to four digits with various units of measurement and decimal points.
- 6:02C Addition and subtraction
- Addition and subtraction algorithms to four digits including decimal points.
- 6:03 Subtraction
- Subtraction algorithms to four digits with various units of measurement and decimal points. Relating subtraction algorithms to real life problems.
- 6:04 Addition & subtraction strategies
- Addition and subtraction using the compensation strategy for real life problems. Using place value for addition of large numbers with zeros, using known facts (numbers that add to ten) as a strategy in adding three or more numbers.
- 6:05 Addition & subtraction
- Addition and subtraction algorithms to five digits involving money units and decimal points. Real life problems with addition and subtraction using a restaurant menu.
- 6:05C Addition and subtraction
- Addition and subtraction algorithms to four digits with decimal points, and mental strategies for addition and subtraction: compensation strategy and using known facts.
- 6:05PT Progress test
- Test of Addition and Subtraction
- 6:06 6-digit addition and subtraction
- Addition and subtraction algorithms to six digits, including decimal points. Checking answers using a calculator and the inverse operation. Challenge question.
- 6:06C 6-digit addition and subtraction
- Addition and subtraction algorithms to six digits including decimal points. Checking answers using the inverse operation, a calculator or by redoing the algorithm. Relating algorithms to real life problems.
- 6:07 Addition and subtraction to six digit...
- Creating addition and subtraction algorithms to solve real life problems involving total cost and difference in price. Addition algorithms with measurement units. Relating algorithms to real life problems.
- 6:07E Addition and subtraction of large num...
- Area problems requiring addition and subtraction of six and seven-digit numbers and measurement in square kilometres. Rounding.
- 6:08 Subtraction of 6-digit numbers
- Creating subtraction algorithms to solve money and mass problems. Internet research question.
- 6:08C Addition and subtraction of large num...
- Addition and subtraction algorithms with mixed place values, including decimal points. Money problems involving percentage discounts.
- 6:09 Addition and subtraction: millions
- Creating addition and subtraction algorithms with six and seven-digit numbers to solve area problems involving measurement in square kilometres. Challenge question involving population.
- 6:10 Millions to billions
- Addition and subtraction to ten digits to solve problems about the planets. Greater than and less than. Ordering large numbers.
- 6:10PT Progress test
- Test of Addition and Subtraction
- 6:11 Measurement problems
- Measurement problems involving addition and subtraction and multiplication and division.