This is a set of 24 QR code task cards aligned to the first grade common core standard:
CCSS.Math.Content.1.OA.D.8 Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
Students will need to determine how many of an object are hidden inside something when given a total and a number outside.
Example: Total: 10
Inside:__ Outside: 6
QR codes are included on each card so that students can check their work.
*Update: 2 versions of the task cards are now included: one with QR codes, and one without
Ideas for using task cards in your classroom:
-write the room
-early finisher choice
-cooperative learning activity
This set is included in my 1st Grade Math Task Cards Mega Bundle
Check out my store for more task cards!