Teaching Resource

Addition by Trading Poster

PDF | 1 page|Grades: F - 7

A poster displaying addition by trading.

Print this poster out in A3 or larger and display it in your classroom.

Refer to it when you are working with addition concepts.

Information includes:

46+32 = 78
1. Rearrange the equation so
that the numbers line up above
and below.
2. Do the additions one column
at a time.

What if a column adds up to a
double digit number?
47+25 = 72
1. Add the ones column.
7+5 = 12
2. Put the ones value (2) in the
ones answer spot. Put the tens
value (1) above the tens column.
3. Add all numbers in the tens
column. Put the answer in the tens
answer spot.
1+4+2 = 7

  NSW Curriculum alignment

  Victorian Curriculum alignment

  Australian Curriculum alignment

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When you’re adding 7 + 5 = 12 you’ve illustrated this with 20 ones plus 2. This equals 22 rather than 12. The member above me has noted the same thing.

Can you fix this as I’d like to use this and the subtraction poster next week.


Patrick Jones · Feb 22nd, 2019

Hi Patrick. Thank you so much for bringing this error to our attention. I have fixed the file and it is available to download again. Cheers

Jill (Teach Starter) · Feb 24th, 2019

Great poster but why are there 20 x ones dots under where it says “1 ten” in the working section? I would need to delete that to use this with my students, I feel, as the picture represents the number 22 rather than the intended 12.

Luke Brady · May 27th, 2015

Hi I love this poster but feel it may benefit from the use of place value (ones house and tens house). When you say to do the additions one column at a time maybe it could say ‘Start by adding the numbers in the ones column’. Sorry to be so specific but in my class I try to make everything as clear as possible and this poster would be a great resource with those changes 🙂

Casey · Nov 18th, 2013

Hi Casey,
We have made these changes and added ones and tens above the columns. Thank you for the suggestion.
Kind regards

Jill (Teach Starter) · Nov 23rd, 2013

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