Strengthen your first graders’ addition skills with this 1.NBT.4 worksheet set!
This resource includes five engaging worksheets that help students add within 100 using place value, drawings, mental math, and number sentences. A mix of fill-in-the-blanks, model drawing, and written explanations gives students multiple ways to show understanding.
You’ll also get an answer key and a simple tracking chart to help you monitor progress across every part of this multi-step standard.
Perfect for assessments, independent practice, or homework.
This packet aligns with 1.NBT.4 and with the following worksheets:
- Base 10 Blocks: No Regrouping
- Base 10 Blocks: Regrouping
- Add a Multiple of 10
- Make a 10 Part 1
- Make a 10 Part 2
- Add 2-Digit Numbers
- Addition and Subtraction Fact Families
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 2.50¢ 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!