This is a differentiated set of 24 QR code task cards aligned to the first grade common core standards:
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90
Students will need to use a hundred chart to add and subtract ten from two-digit numbers.
QR codes are included on each card so that students can check their work.
*2 versions of the task cards are included: one with QR codes, and one without
Differentiation: two recording sheets are included for easy differentiation, one with a 100's chart 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!