# Australian Progressions - Additive Strategies Bundle

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26 MB|300 pages
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I will continue to add games and resources to this Bundle over 2019 and 2020 so always check back for updates! Updates will happen at a minimum of once per term :) If there is something you'd like to see in a future update, please send me an email at primaryactivityideas@gmail.com and I will endeavour to add that resource as soon as possible!

Last Update: February 13, 2019
Added 4 worksheets and 3 lesson plans as requested recently from a buyer!

This bundle includes resources and activities for the following Australian Numeracy Progressions:

● combines two groups of objects and attempts to find the total

● compares two quantities of up to 10 and states which group has more

● counts items that can be perceived by ones to find the total of two groups with one-to-one matching of number words and objects

● builds and subtracts numbers by using objects or fingers

● makes combinations to form numbers up to 10

● solves additive tasks involving two concealed collections of items by visualising, ● counting from one to determine the total

● treats a number word as a completed count when solving problems (‘I have 7 apples. I want 10. How many more do I need?’ Treats the 7 as a completed count)

● uses a strategy of count-up-from to calculate addition (to find 6 + 3, responds 6, 7, 8, 9. It's 9)

● uses a strategy of count-up-to to solve missing addends tasks (to solve 6 + ? = 9, responds 6 ... 7, 8, 9. It's 3)

● uses count-down-from for subtraction tasks (9 – 3 = ?, 9 ... 8, 7, 6. It equals 6)

counts back to find the difference between two quantities where the difference is no greater than 4

● uses count-down-to to calculate (9 take away something equals 6, responds 9 ... 8, 7, 6 ... It's 3)

● finds the difference between two numbers less than 20

● uses a range of non–count-by-one strategies when adding or subtracting two or more numbers (bridging to 10, near doubles)

● uses part-whole construction of number to partition a whole number into parts (partitions 7 into 5 and 2, 6 and 1, 4 and 3)

applies inverse relationship of addition and subtraction

● applies knowledge of 10 as a unit to add and subtract 2 two-digit numbers (jump strategy, split strategy or compensation)

● manipulates tens and ones flexibly for addition and subtraction (to add 45 and 37, ● adds the tens on 45 … 55, 65, 75, then partitions the 7 into 5 and 2, adds the 5 to make 80 and 2 more to make 82)

● uses part-whole knowledge of numbers to 20 to calculate two-digit addition and subtraction (when finding 53 – 27, recognises the subtraction within as 13 – 7 and regroups the 53 into 40 and 13 and the 27 into 20 and 7)

● manipulates hundreds, tens and ones flexibly to add and subtract 2 three-digit numbers (to add 250 and 457, ungroups the 250 into 2 hundreds and 5 tens, responds 457 plus 2 hundred is 657, plus 50 is 707)

● manipulates place value of numbers flexibly in regrouping for addition of three-digit numbers and beyond (when adding 650 and 550, regroups 650 as 600 and 50, adds 50 to 550, then doubles 600)

● manipulates place value of numbers flexibly in regrouping for subtraction (when solving 3000 – 260, treats the 3000 as 2700 and 300 to aid in mental calculation)

regroups for subtraction involving trading or exchange of units with different place values

● chooses and uses multiple strategies for solving everyday problems involving addition and subtraction

Total Pages
300 pages
Does not apply
Teaching Duration
Lifelong tool
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