Add using doubles plus one
Free printable Grade 1 math worksheet for "Add using doubles plus one" — practice addition strategies up to 20. No-prep, print or assign online.
This worksheet focuses on the doubles plus one addition strategy, helping first graders build fluency with addition facts up to 20. Teachers can use it to reinforce mental math skills and encourage students to recognize patterns in numbers. The exercises provide practice in applying doubles facts plus one to solve addition problems efficiently.
Learning objectives
- Identify and use doubles facts to simplify addition problems up to 20
- Apply the doubles plus one strategy to solve addition equations accurately
- Demonstrate understanding of addition strategies by completing related exercises
Answer Key
How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
- Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Add using doubles plus one” worksheet free?
Yes. “Add using doubles plus one” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Grade 1 (ages 6–7), covering Addition strategies up to 20.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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