Less Challenging

• Add 2-digit #s within 40 without renaming

• Add multiples of 10 within 40

More Challenging

• Add 2-digit numbers within 40

• Add within 40

• Add 2-digit numbers within 100

About This Sprint

Connect add crossing the 10 with single-digit numbers to add crossing the 10 with teen numbers, e.g.

16 + 5 = ___

16 + 15 = ___