Inventive Teaching

This product includes 20 subtraction worksheets with answer keys! Students can scan the QR code to check their answers. This resource is useful in math centers because students are able to self-check their work. The worksheets are separated into four levels. Each level includes five QR code subtraction worksheets. The first level includes two digit subtraction. The second level includes three digit subtraction. The third level includes four digit subtraction. The fourth level includes a mixed re

This product includes 20 addition worksheets with answer keys! Students can scan the QR code to check their answers. This resource is useful in math centers because students are able to self-check their work. The worksheets are separated into four levels. Each level includes five QR code addition worksheets. The first level includes two digit addition. The second level includes three digit addition. The third level includes four digit addition. The fourth level includes a mixed review of the abo

This worksheet includes a mixed review of 3 digit addition and subtraction problems. Students can check their answers by scanning the QR code! This worksheet is perfect for math centers by allowing students to self-check! An answer key is also included.