Adding and Taking Away to 20 crossmath

A grade 1 crossmath, + and −: 6 sums to complete, with every gap filled in on the answer key.

LEVEL
Grade 1
PUZZLE
Crossmath
SUMS
6 sums
OPERATIONS
+ and −
ANSWER KEY
Every gap filled in
PAPER
A4 and Letter
Print it free, no sign-up. Or shuffle a new one at the same grade in seconds.
Adding and Taking Away to 20 crossmath, Grade 1: the printable first page
HOW PUPILS SOLVE IT

Start where one box is missing

Every sum reads across or down. Pupils start with a sum that has only one box missing, write in the answer, and that number helps finish the sums it crosses. Open it in the studio and shuffle for a new one at the same grade.

More printable crossmaths

All examples
First page of Adding and Taking Away to 1009 sums
Adding and Taking Away to 100Grade 2 · + and − · two-digit numbers
First page of Times and Division Facts to 10 × 109 sums
Times and Division Facts to 10 × 10Grade 3 · × and ÷ · multiplication facts
First page of Three-Digit Sums and Times13 sums
Three-Digit Sums and TimesGrade 4 · +, −, and × · mixed practice
First page of All Four Operations13 sums
All Four OperationsGrade 5 · +, −, ×, and ÷ · mixed practice
Same grade, a new crossmath.Open it in the studio, shuffle for a fresh shape and print. Always free, no AI.
Make mine