Subtraction within 20 Worksheet Download

Free 1st Grade (1oa1) math worksheets on Subtraction within 20. Each worksheet has 12 problems with an answer key and are ideal for teachers and homeschooling. You can download the PDF, create a set of flash cards or set it up for online learning.

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Word Subtraction Within 20

Each worksheets has 12 problems finding the result of a subtraction problem.

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Result UnknownChange UnknownStart UnknownAdd toTwo bunnies sat on the grass.Three more bunnies hopped there. How many bunnies are on the grass now?

Ex.

2 + 3 = ?

Two bunnies were sitting on the grass. Some more bunnies hopped there. Then there were five bunnies. How many bunnies hopped over to the first two?

Ex.

2 + ? = 5

Some bunnies were sitting on the grass. Three more bunnies hopped there. Then there were five bunnies. How many bunnies were on the grass before?

Ex.

? + 3 = ?

Take FromFive apples were on the table. I ate two apples. How many apples are on the table now?

Ex.

2 + 3 = ?

Five apples were on the table. I ate some apples. Then there were three apples. How many apples did I eat?

Ex.

2 + ? = 5

Some apples were on the table. I ate two apples. Then there were three apples. How many apples were on the table before?

Ex.

? + 3 = ?

Total UnknownAddend UnknownBoth Addends UnknownPut together/ take apartThree red apples and two green apples are on the table. How many apples are on the table?

Ex.

3 + 2 = ?

Five apples are on the table. Three are red and the rest are green. How many apples are green?

Ex.

3 + ? = 5, 5 – 3 = ?

Grandma has five flowers. How many can she put in her red vase and how many in her blue vase?

Ex.

5 = 0 + 5, 5 = 5 + 0
5 = 1 + 4, 5 = 4 + 1
5 = 2 + 3, 5 = 3 + 2

Difference UnknownBigger UnknownSmaller Unknown{Compare}(“How many more?” version): Lucy has two apples. Julie has five apples. How many more apples does Julie have than Lucy?

Ex.

2 + ? = 5