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ACARA AC9M4N04, Add and subtract larger numbers

Year 4 ยท Number

Add and subtract two- and three-digit numbers by partitioning, rearranging and regrouping with place value, without a calculator.

Below are free printable maths worksheets that support AC9M4N04. Print them as PDFs, or generate a fresh one. Every maths answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Add and subtract two- and three-digit numbers by partitioning, rearranging and regrouping with place value, without a calculator.

234 = 2 hundreds + 3 tens + 4 ones
How to teach it

Start by counting on from the larger number, then move to partitioning into tens and ones and adding each part, and finally column addition with regrouping.

Worked example
2 + 1 =
Answer: 3

Generated and checked in code, so it is correct.

Watch out for

Adding the tens and ones columns without carrying the regrouped ten, and always counting on from the first number rather than the larger.

Make a worksheet for AC9M4N04
More Year 4 Number codes: AC9M4N01 ยท AC9M4N02 ยท AC9M4N03 ยท AC9M4N05 ยท AC9M4N06 ยท AC9M4N07 ยท AC9M4N08 ยท AC9M4N09
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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.