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1st Grade Adding Doubles worksheets

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Adding Doubles

Grade 1 Math Worksheet

NameDate

Write the answer on the line.

  1. 3 + 3 =

  2. 2 + 2 =

  3. 7 + 7 =

  4. 6 + 6 =

  5. 1 + 1 =

  6. 9 + 9 =

  7. 10 + 10 = ____

  8. 8 + 8 =

  9. 4 + 4 =

  10. 5 + 5 =

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1st Grade Adding Doubles worksheet 1 – printable PDF
Download PDF: 123456

About this worksheet

A double is a fact where both numbers are the same, such as 4 + 4 or 7 + 7. Doubles are the easiest facts to remember, and they become the starting point for harder ones: once a child knows 6 + 6 is 12, then 6 + 7 is one more. On this grade 1 worksheet your child writes the sum of a double on the line after each equals sign, the whole way down the page.

A sheet has all ten doubles, from 1 + 1 to 10 + 10: the six versions put them in a different order. Say the double out loud together first, for example 'six and six', before writing the answer.

What your child will learn

  • Add two equal numbers
  • Remember the doubles from 1 + 1 to 10 + 10
  • Use a double as a starting point for near doubles
  • Write a sum on a line after the equals sign

Common Core standard: 1.OA.C.6

Worked example

For 6 + 6, think of two groups of 6. Count 6, 7, 8, 9, 10, 11, 12. Write 12 on the line.

Common mistake

Adding one number too few or too many when counting on, for example writing 11 for 6 + 6.

Helpful hint

Say the double out loud, then count on from the number.

Questions parents ask

What is the most common mistake with adding doubles?

Adding one number too few or too many when counting on, for example writing 11 for 6 + 6.

How can I help my child with adding doubles?

Say the double out loud, then count on from the number.

Are these 1st grade math worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

Similar: Addition Within 10 · Addition Within 20

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