Use these two worksheets to embark on a thrilling quest that will put your students’ adding within 100 skills to the ultimate test! Plus, you get an answer key to unlock the mysteries and reveal the magic behind each question. The first worksheet has 5 multiple-choice questions about the relationship between addition and subtraction. The second worksheet has 3 multiple-choice and 3 writing questions about adding 2-digit numbers. These worksheets can be used as an assessment or practice pages. They address the first grade number and operations in base ten standard NBT.1.4!
NBT.1.4: 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 of drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Download these Adding Within 100 worksheets!
You can download these two worksheets about adding within 100 by clicking on the purchase button below. It’s only 99ยข for the pair. You can find other math for your students on our math page!
P.S. This resource is also available to purchase from by TPT store if you want to do that!