2. Addition and subtraction

2.01 Estimation first

2.02 Addition without regrouping

2.03 Addition with regrouping

2.04 Subtraction without regrouping

2.05 Subtraction with regrouping

2.06 Target numbers and patterns

2.07 Estimation and multistep questions

2.08 Vertical algorithms

2.09 Story problems

2.10 Equivalent number sentences

PRACTICE: Addition and subtraction

Year 4

PRACTICE: Addition and subtraction

Interactive practice questions

Find the value of $112+533$112+533.

Easy

< 1min

Find the value of $485-47$485−47.

Easy

< 1min

Find the value of $5345+234$5345+234.

Easy

< 1min

Find the value of $9818+441$9818+441.

Medium

< 1min

Outcomes

ACMNA073

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems

ACMNA076

Develop efficient mental and written strategies and use appropriate digital technologies for multiplication and for division where there is no remainder

What is Mathspace

About Mathspace