Two-digit ± two-digit, with regrouping
Two-digit ± two-digit, with regrouping helps children practise practising two-digit ± two-digit, with regrouping with grade-2 arithmetic tasks. Read the short guide, solve one browser task, and print a fresh worksheet when more repetition is useful.
How to solve this
- Read the two-digit ± two-digit, with regrouping task carefully and underline the numbers you already know.
- Split the numbers into tens and ones. Recombine carefully, and when needed make or break a ten.
- After solving, check whether the answer fits the number range and the question.
Examples
46 + 7 = ?
53
82 - 25 = ?
57
34 + 21 = ?
55
What children practice
- Two-digit ± two-digit, with regrouping
- mental addition and subtraction to 100
- regrouping across a ten
- checking with estimates or inverse tasks
Practice online
Try one short exercise in the browser.
Printable worksheet
Create a fresh printable worksheet with an answer key for extra practice on paper.
Related topics
FAQ
What should children know before two-digit ± two-digit, with regrouping?
It helps if children are comfortable with place value with tens and ones.
What can we do if two-digit ± two-digit, with regrouping feels hard?
Split the numbers into tens and ones. Recombine carefully, and when needed make or break a ten.
How much practice is enough?
A focused round of 5 to 10 minutes is usually enough for second graders. Stop while the child can still explain one step clearly.