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First grade math printable

1st Grade Math Worksheets Printable

Create first grade math worksheets for addition, subtraction, counting, place value, and simple word problems with answer keys.

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Addition Within 20 printable
Grade 1 - Math - Math Printables - Standard
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Complete each activity about Addition Within 20. Show your thinking where space is provided.
1. 7 + 5 = ____
2. 9 + 4 = ____
3. 6 + 8 = ____
4. 10 + 3 = ____
5. Draw dots to show 5 + 6, then write the answer.
6. Mia has 8 crayons. She gets 7 more. How many crayons does she have now?
7. Circle the equation that equals 15: 7 + 8, 6 + 7, or 9 + 5.
8. Write two numbers that add to 20.
Answer key
  1. 12
  2. 13
  3. 14
  4. 13
  5. 11
  6. 15 crayons
  7. 7 + 8
  8. Answers may include 10 + 10, 9 + 11, or another pair with a sum of 20.

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Select a first-grade math goal

Choose one goal students have already met in instruction: counting a set, comparing numbers, composing a teen number, adding or subtracting with a model, reading place value, or solving a one-step story. A narrow goal keeps the page readable and leaves enough room for drawing, counting, and written work.

Keep the representation concrete

Review whether the worksheet gives first graders an appropriate way to think, such as dots, ten frames, number bonds, pictures, or tens and ones. Limit directions to familiar words, avoid crowded rows, and check that a story problem clearly identifies what changes and what students must find.

Plan a short independent check

Use a small set after modeling the skill, during a math station, or as a take-home review. Compare student strategies with the teacher key instead of scoring only the final number; a drawing, equation, or explanation can show whether the child understands the operation and not just a memorized fact.

How it works

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The live preview shows the student page, teacher answer key, print preview, and PDF-ready layout generated from the current settings.

Choose grade and subject

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Who it helps

Classroom uses for this printable.

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FAQ

Common questions

Which first-grade math topics fit this page?

Use it for counting, number comparison, place value, addition, subtraction, and simple one-step word problems.

Can I make a page without word problems?

Yes. Enter the exact skill you want, such as comparing numbers or addition facts, and review the preview before printing.

How long should a first-grade worksheet be?

Choose a short question count that leaves room for students to draw, count, and show their thinking without a crowded page.

Should students use pictures or manipulatives?

When the skill is new, pair the printable with counters, ten frames, drawings, or another concrete model used during instruction.

What should I check in the answer key?

Verify every number and operation, then confirm that any model or explanation matches the strategy taught in class.