Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Start Practicing

Worksheet: Subtraction within 20 by Counting Backward

Q1:

Fill in the missing numbers by starting at 19 and counting backward two each time.

  • A
  • B
  • C
  • D
  • E

Q2:

Michael holds up 9 fingers and starts counting down as he puts down one finger at a time. He stops when he is holding up 4 fingers.

Decide whether he was adding or subtracting by picking the number sentence that describes what he did.

  • A 9 6 = 3
  • B 9 + 4 = 1 3
  • C 5 9 = 4
  • D 9 5 = 4
  • E 5 + 4 = 9

Q3:

Isabella put her counter on 12 then moved it back 2 spaces.

Help her find the missing number:

Q4:

This machine subtracts 3 from any number. What numbers are missing?

  • A
  • B
  • C

Q5:

On this domino, the dots on one side are covered with a sticker, and the total number of dots is written above it.

How many dots are under the sticker on this domino?