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Skills Covered

  • Add fluently within 20
  • Find a missing addend
  • Line up ones and tens in digit boxes
  • Find how much is added in a pattern
  • Practice +6 and +8 facts
  • Write a fact family from three numbers

How to Use This Pack

Six pages of addition practice. Pages 1 and 2 are timed drills: 36 facts within 20, written in digit boxes, with lines for the start and end time. Page 3 starts with a row to answer, then four rows with a missing number in a box. Page 4 shows equal jumps, like 9, 15, 21, and asks for the start number and how much is added each time. Pages 5 and 6 each focus on one number, adding 6 and adding 8, and end with two fact family triangles.

In the Classroom

Use the timed pages as a warm-up: students write their start and end time on page 1, then try to beat it on page 2. The missing-number and jump pages work well with a partner: one solves, the other checks by adding.

At Home

Keep it short. Time page 1 one day and page 2 the next so your child can see their own progress. On the jump page, have them count on from the first number to find how much was added.

Tips for Success

  • Ones go under ones and tens under tens in the digit boxes
  • For a missing number, ask: what plus this makes that?
  • The first jump box is an example, already filled in
  • Beat your own time, not someone else's

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

  • 1.OA.C.6 - Add and subtract within 20, demonstrating fluency for addition and subtraction within 10
  • 2.OA.B.2 - Fluently add and subtract within 20 using mental strategies
  • 1.OA.D.8 - Determine the unknown whole number in an addition or subtraction equation relating three whole numbers
  • 1.OA.B.4 - Understand subtraction as an unknown-addend problem

Addition Drills Within 20

1st - 2nd 6 worksheets

A 6-page addition drill pack for 1st and 2nd grade. Two timed pages of addition facts within 20 in digit boxes, missing addends, equal-jump patterns, and Adding 6 and Adding 8 fact tables with fact family triangles. Answer keys included.

Download (PDF)

What’s Included

  • 6 worksheets, each with a matching answer key (12 pages)
  • 2 timed drill pages with 36 facts each
  • Missing addends, equal-jump patterns, and fact families
  • Adding 6 and Adding 8 fact tables