Open Number Line Addition to 100 NO PREP Worksheets | 2nd Grade 2.NR. 2.4

Description

Help your 2nd grade students master addition within 100 using open number lines — no prep needed! This packet includes 20 print-and-go worksheets plus 4 anchor charts, all built around the 2.NBT.B.5 standard (fluently add and subtract within 100).

Use them for independent practice, small groups, homework, or assessment review.

What’s Included:

• 20 NO PREP worksheets (printable — just print and go)
• 4 anchor charts (student-friendly visuals)
• Parent letter template (so families understand the strategy)

Worksheets broken into types:

• Adding ones
• Adding ones across a tens
• Adding tens
• Break-apart to add
• Adding ones + tens
• Mixed open number line practice
• Problem-solving challenge
• Bonus challenge: 7 worksheets with numbers between 100–200 for differentiation

Why Teachers Love It:

• Saves you planning time — no prep needed
• Reinforces open number line strategy (a strong model for addition)
• Differentiated levels built-in by the scaffaled worksheets
• Aligned to 2nd grade standards (and useful for advanced 1st or early 3rd)
• Perfect for homework, centers, spiral review, or early finishers

Suggested Uses:

• Independent practice
• Small group work or guided math
• Morning work/ bell-ringer
• Spiral review during the year
• Homework or parent packets
• Assessment review

Standards: CCSS 2.NBT.B.5 (fluently add and subtract within 100), and also NR2.4 (Georgia Standards)