Addition facts - sums up to 20
Free printable Grade 1 math worksheet for "Addition facts - sums up to 20" — practice addition up to 20. No-prep, print or assign online.
This worksheet provides practice with addition facts where sums do not exceed 20, designed for Grade 1 students. Teachers can use it to reinforce basic addition skills and assess students' fluency with sums up to 20. The exercises support skill-building in addition facts, helping young learners develop confidence in solving addition problems efficiently.
Learning objectives
- Recall addition facts with sums up to 20 to improve calculation speed
- Apply addition strategies to solve medium-difficulty problems within 20
- Demonstrate understanding of number combinations that total up to 20
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 “Addition facts - sums up to 20” worksheet free?
Yes. “Addition facts - sums up to 20” 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 up to 20.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
Make it your own in the Worksheet Studio
Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.
Open the Worksheet StudioMore for Grade 1
You might also like
Christmas Counting Dot-to-Dot
Christmas Counting Color by Number
Christmas Addition Color by Number
