KiwiBee printable
Word problems with start unknown - up to 20
Free printable Grade 1 math worksheet for "Word problems with start unknown - up to 20" — practice addition and subtraction word problems up to 20. No-prep, print or assign online.
This worksheet provides Grade 1 students with medium-difficulty word problems focused on addition and subtraction where the starting number is unknown, with numbers up to 20. Teachers can use this resource to reinforce students' critical thinking and problem-solving skills in early math by encouraging them to determine the missing initial quantity in real-world scenarios. It is ideal for classroom practice, homework, or assessment to support mastery of foundational addition and subtraction concepts.
Learning objectives
- Solve addition and subtraction word problems with an unknown starting number up to 20
- Interpret and analyze word problems to identify the missing start quantity
- Apply problem-solving strategies to find the unknown starting number in various contexts
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Grade 1; it's no-prep, with no extra materials needed.
- Hand it out as classwork, homework, or a quick warm-up.
Likes & comments
See what other teachers think and share a helpful note.
Create more worksheets in our Worksheet Studio
Generate fresh worksheets for any grade, topic, and language — free.
Open the Worksheet StudioRelated worksheets

Match word problems to addition and subtraction sentences - up to 20

Word problems involving addition and subtraction without comparisons - up to 20

Word problems with both addends unknown - up to 20

Word problems with change unknown - up to 20

Word problems with sum or difference unknown - up to 20

Write number sentences for word problems - up to 20

Write number sentences for word problems with change unknown - up to 20

