First Grade Subtraction within 20 #1

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100

Nan had 8 cats. 2 ran away. How many cats does Nan have left?

6 cats

200

Tom had 15 erasers. He lost 5. How many erasers does he have left?

10 erasers

300

Lisa had 15 cents. She gave Katie 10 cents. How many cents does she have left?

5 cents

400

Bob had 12 dogs. 6 dogs got adopted. How many dogs does Bob have left?

6 dogs

500

Harry had 16 snacks. He ate 10 snacks. How many snacks did he have left?

6 snacks

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100

There were 17 turtles. 7 turtles swam away. How many turtles are left?

10 turtles

200

There were 10 pencils. Shelia took 6 pencils. How many pencils are left?

4 pencils

300

The class had 15 books. The students took 8 books home. How many books are left?

7 books

400

There were 14 bugs. 4 bugs got squished. How many bugs are still alive?

10 bugs

500

We had 13 students. 5 students were absent. How many students were at school?

8 students