Subtraction as an Unknown Addend Activity

Subtraction as an Unknown Addend Activity

How to teach Finding the Missing Addend

In this Subtraction as an Unknown Addend Activity, students find the unknown whole number in addition and subtraction equations up to 20.

This activity challenges students to find the missing addends in the given equation. This activity is great in multiple situations- math centers, small groups, partners or a full class lesson.

Cut out all activity cards. Read each equation card and find the missing number. Match each equation card with an answer card. Use the number on the equation card to find the problem on the activity worksheet and record your answer.


Other resources to use with this Subtraction as an Unknown Addend Activity

If you are using this activity, your students are probably learning about finding the missing addend.

Use this Missing Number Addition Activity as an additional resource for your students.

You may introduce this activity  by reviewing fact families or practicing math facts using Addition Flash Cards.  Next, students try finding the missing addend first. After time to work, students explain how they found the missing addend.When you are choosing students, be sure to look for a variety of strategies! Then, students complete the activity independently or with a partner. Finally,   students continue their practice of finding the missing addends with the given worksheets.

Be sure to check out more Addition Activities.


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