Addition to 20 Worksheets for 1st Grade

Add with sums up to 20.

10 worksheets · 3 difficulty levels · Answer keys included

About Addition to 20

Addition to 20 introduces regrouping concepts and the powerful "make a ten" strategy that students will use throughout their math education.

What Your Child Will Learn

  • Add numbers with sums to 20
  • Use the "make a ten" strategy
  • Solve addition problems that cross the tens boundary

Worksheets by Difficulty

Start with Easy worksheets to build confidence, then progress to Medium and Hard as your student masters each level.

Tips for Parents & Teachers

1

Start with objects your child can touch and move — combining two groups of blocks or toy cars makes addition tangible.

2

Teach the "count on" strategy: start from the bigger number and count up. It is faster than counting everything from 1.

3

Practice "making 10" — it is the most powerful addition strategy and will serve your child for years.

4

Use addition in daily life: "You have 3 strawberries and I am giving you 4 more. How many will you have?"

Frequently Asked Questions

What will my child learn from addition to 20 worksheets?

These 1st Grade addition to 20 worksheets help students practice addition, mental math. Each worksheet provides structured practice with clear instructions and varied problem types.

How often should my 1st Grade student practice addition to 20?

Consistent practice works best. We recommend 10-15 minutes of focused practice 3-4 times per week. Start with Easy worksheets and progress to Medium and Hard as your student builds confidence.