Addition grids (adding ones, tens and hundreds to 3 digit numbers) WORKSHEET
Addition grids (adding ones, tens and hundreds to 3 digit numbers) WORKSHEET DESCRIPTION
These addition grids enable children to understand the commutativity of addition as they find the sum of numbers at the top of each column and start of each row.
Pupils will add a single digit to multiples of one hundred, multiples of ten and any three-digit number.
Followed by a multiple of ten to multiples of one hundred, multiples of ten and any three digit number. As well as a multiple of 100 to multiples of one hundred, multiples of ten and any three-digit number.
There are 36 questions to answer in total.
All worksheets are created by the team of experienced teachers at Cazoom Maths.

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Frequently Asked Questions
These grids are perfectly pitched for Year 3 learners as they focus on the specific skill of adding different place values to 3-digit numbers. Children can see how adding a single digit, multiple of 10, or multiple of 100 creates predictable patterns, which builds their confidence with larger numbers whilst reinforcing place value understanding.



