Friday, 25 September 2026

Grade 1 Addition Worksheets: Decomposing & Tape Diagrams

Addition Using Decomposing and Tape Diagrams for Grade 1

After practicing subtraction using decomposing , this bundle introduces addition using decomposing and tape diagrams. These activities help Grade 1 children understand addition by breaking numbers into tens and ones and using simple visual models.

What’s Inside?

Addition Using Tens and Ones

Children use pictures or draw quick tens and ones to solve addition problems.

For example:

18 + 7 = ?

Children can represent 18 as 1 ten and 8 ones, then add 7 more ones to find the answer.

Decomposing by Tens and Ones

Children learn to add the tens first and then the remaining ones. They write two number sentences to show each step.

For example:

14 + 17 = ?

Break 14 into 10 + 4:

17 + 10 = 27

27 + 4 = 31

This section includes 3 worksheets with different levels of practice.

Addition Word Problems with Tape Diagrams

Children use tape diagrams to understand and solve addition word problems. The visual model helps them see how the numbers in a problem are connected.

This section includes 3 worksheets for extra practice.

Who Are These Worksheets For?

These Grade 1 addition worksheets are suitable for:

  • Grade 1 children who are ready to learn decomposing addition
  • Children who need extra addition practice
  • Parents looking for simple math worksheets for home practice
  • Homeschooling families
  • Morning tubs and math center activities

These activities give children a step-by-step way to understand addition while building confidence with tens and ones, decomposing, and tape diagrams.

Grade 1 addition worksheets using decomposing and tape diagrams

If you enjoy these resources, explore our other Sight Words, Reading, Phonics Hub, Grammar, Maths Hub, Writing Hub, and Activities.

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