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CCSS 1.OA.D.8 Worksheets

Grade 1 · Operations & Algebraic Thinking

Find the missing whole number in an addition or subtraction equation involving three numbers.

Below are free printable worksheets that support 1.OA.D.8. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.

Number Bonds worksheets

All number bonds worksheets →
Kindergarten Number Bonds
Set A · printable PDF · answer key
Kindergarten Number Bonds
Set B · printable PDF · answer key
Kindergarten Number Bonds
Set C · printable PDF · answer key
Kindergarten Number Bonds
Set D · printable PDF · answer key
Kindergarten Number Bonds
Set E · printable PDF · answer key
Kindergarten Number Bonds
Set F · printable PDF · answer key

Addition worksheets

All addition worksheets →
Pre-K Addition
Set A · printable PDF · answer key
Pre-K Addition
Set B · printable PDF · answer key
Pre-K Addition
Set C · printable PDF · answer key
Pre-K Addition
Set D · printable PDF · answer key
Pre-K Addition
Set E · printable PDF · answer key
Pre-K Addition
Set F · printable PDF · answer key

Subtraction worksheets

All subtraction worksheets →
Pre-K Subtraction
Set A · printable PDF · answer key
Pre-K Subtraction
Set B · printable PDF · answer key
Pre-K Subtraction
Set C · printable PDF · answer key
Pre-K Subtraction
Set D · printable PDF · answer key
Pre-K Subtraction
Set E · printable PDF · answer key
Pre-K Subtraction
Set F · printable PDF · answer key
Make a worksheet for 1.OA.D.8
More Grade 1 standards: 1.OA.A.1 · 1.OA.B.3 · 1.OA.B.4 · 1.OA.C.6 · 1.NBT.A.1 · 1.NBT.B.2 · 1.NBT.B.3 · 1.NBT.C.4
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