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Addition Within 100 Worksheets

Year 2 addition worksheets covering mental and written addition within 100.

Year group

Year 2

Subject

Maths

Topic

Addition Within 100

Difficulty

KS1

Worksheet type

Addition And Subtraction

SEO status

Draft / Noindex

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Worksheet type: addition and subtraction

Gifted Kids

Addition Within 100 Worksheets

Year 2 · Maths · Mixed difficulty

Name: ____________________

Date: ____________________

Score: ______ / ___

Instructions: Read each question carefully. Try your best before checking the answer sheet.
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What children practise

These printable worksheets help children build confidence with addition within 100 through focused, topic-specific practice.

Adding within 100
Adding tens and ones
Using number facts
Solving addition sentences

About these addition within 100 worksheets

Build Year 2 addition confidence with printable worksheets for adding numbers within 100 using mental and written strategies.

About these Year 2 addition within 100 worksheets

These Year 2 addition within 100 worksheets help children extend addition skills to larger two-digit numbers. Children practise using known facts, place value and efficient strategies.

The worksheets support fluency and accuracy while giving children opportunities to solve number sentences and simple addition problems.

What children learn from this topic

Addition within 100 helps children connect number facts, tens and ones, and written recording methods.

  • Adding one-digit and two-digit numbers
  • Using known number facts
  • Adding tens and ones
  • Completing addition number sentences
  • Checking answers for accuracy

How parents and teachers can use these worksheets

Parents can encourage children to explain the strategy they used, such as counting on, partitioning or using a known fact.

Teachers can use these worksheets for fluency practice, independent tasks, intervention work or revision before mixed addition and subtraction.

Related worksheets

Continue practising with related worksheet topics.

Frequently asked questions

What addition skills should a Year 2 child practise?+

Year 2 children should practise adding within 100, using number facts, counting on, partitioning tens and ones, and checking answers with inverse operations.

Are these Year 2 addition worksheets suitable for KS1?+

Yes. These worksheets are designed for KS1 Year 2 learners and support fluency, confidence and mental or written addition practice.

How can parents use addition within 100 worksheets at home?+

Parents can use one worksheet at a time, then ask the child to explain the strategy they used, such as counting on, using number bonds or partitioning numbers.