These 20 task cards have a base ten block theme. Cards 1-10 have addition problems that do not require regrouping. Cards 11-20 have addition problems that do require regrouping. There is a mixture of 1, 2, and 3 digit problems. Each card also has a QR code that students can use to self-check themselves. There is an answer key and an answer tracker sheet as well. Students can record their answers or whether or not their answers were correct on the tracker sheet. If you do not have access to devices to use a QR code, students can also check their work with the key.
This product contains a PDF file. Be sure you have a program to open a PDF file.
The preview of this product contains two pages of cards with a total sample of 8 of the 20 cards. The "Preview Only" watermark will prohibit the covered QR codes from scanning, but the uncovered codes can be scanned. You can even try scanning from with your device aimed at the computer screen to see how you like the codes.
The final file does not have a visible watermark and all codes are readable.
This product is for personal use. No part of it may be used for commercial use. Purchase grants the buyer one license. Please encourage other teachers to purchase their own license.