Halloween Color by Code: Addition Within 20: Jack-o'-Lantern
A free Halloween math mystery picture for grade 1: work out every sum within 20, then color by the answer to find a friendly jack-o'-lantern. Answer key on page 2.
Download the free PDF
Page 2 of the PDF is the answer key.
How to help your child
- Count on from the bigger number: for 3+9, start at 9 and count on 3.
- Squares whose answer is not in the key stay white.
- The answer key is on page 2 of the PDF.