Missing Addends Worksheets for 1st Grade

Find the missing number in addition equations.

10 worksheets · 3 difficulty levels · Answer keys included

About Missing Addends

Missing addend problems introduce algebraic thinking — finding an unknown value. This prepares students for equation solving in later grades.

What Your Child Will Learn

  • Find the missing number in an addition equation
  • Use subtraction to solve for unknowns
  • Build early algebraic thinking skills

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 missing addends worksheets?

These 1st Grade missing addends worksheets help students practice addition, algebraic thinking. Each worksheet provides structured practice with clear instructions and varied problem types.

How often should my 1st Grade student practice missing addends?

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.