Curated OER
Missing Number Addition
In this missing number worksheet, students fill in missing addends to complete 5 simple problems. An answer key is included on page 2.
Curated OER
Addition-Missing Numbers
In this addition worksheet, students fill in the missing number necessary to arrive at a given sum. A reference web site is given for additional activities.
![Missing Numbers Addition [B] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216849/large/cgrmlwnvbnzlcnqymdezmdmzms0ymjyync1naw4yd3cuanbn.jpg?1414306930 "Missing Numbers Addition [B] Worksheet")
Curated OER
Missing Numbers Addition [B]
In this addition instructional activity, students write the missing addend in a box, 24 simple addition problems total. Answers are included on page 2.
![Missing Numbers Addition [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/216855/large/cgrmlwnvbnzlcnqymdezmdmzms0ymjcxmy0yagnibmiuanbn.jpg?1414307208 "Missing Numbers Addition [C] Worksheet")
Curated OER
Missing Numbers Addition [C]
In this addition instructional activity, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
EdHelper
Addition: Missing Numbers
For this addition worksheet, students look at pictures of blocks and their numerical values, then find the missing addend. Worksheet is labeled "sample" and is part of a subscription site with links.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
Curated OER
Missing Number Addition
In this addition worksheet, students are given one addend and the answer to a total of 25 simple addition problems. Students fill in the missing addend. Worksheet is labeled as a sample from a subscription site.