Curated OER
Missing Hundred Square
Kids are presented with the problem of finding the missing numbers to each of nine 100s squares. They'll need to subtract and add to make each puzzle equal 100. Great challenge or daily warm-up activity.
Curated OER
Missing Addends-Sums With 6 and 7
In this missing addend worksheet, students fill in missing numbers above pictures of blocks. Each problem has a sum of either 6 or 7. A reference web site is given for additional activities.
Curated OER
Addition: Fill in the Missing Addend
In this addition worksheet, students fill in a missing addend to arrive at a given sum, 7 problems total. A reference web site is given for additional activities.
Curated OER
Addition: Missing Addends Tens and Ones
In this missing addend worksheet, students fill in missing addends to arrive at given sums. All numbers are 2-digits. A reference web site is given for additional activities.
Curated OER
Adding Up
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both. Although...
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Finding 10s
For beginners to addition, sets of objects are the ideal way to make this concept understandable. For each of these sets they ring 10 and count the remaining. Then, scholars fill in the addends as 10 and the remaining number. The sums...
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Missing Addends 2-5
In this missing addends worksheet, students fill in a missing addend to arrive at a given sum. Missing addends are numbers 2-5. A reference web site is given for additional activities.
Curated OER
Missing Addends-Sums with 8 and 9
In this missing addend worksheet, students fill in one missing addend in a problem in order to arrive at a given sum. All sums equal either 8 or 9. Worksheet has a reference web site for additional activities.
Curated OER
Missing Addends 2-5 Worksheet #2
For this missing addends worksheet, students fill a the missing addends to reach sums between 2 and 5. A reference web site is given for additional activities.
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Missing Addend-2-10
For this missing addend worksheet, students fill in the missing addends to reach given sums. Worksheet utilizes numbers 2-10. A reference web site is given for additional activities.
Curated OER
Missing Addends: Sums With 8 and 9
In this missing addends worksheet, students fill in missing factors in addition problems. All problems have sums of 8 or 9. A reference web site is given for additional activities.
Curated OER
Missing Number Sum Activity
In this missing number worksheet, students fill in missing addends to reach the sum of 19, 8 problems total, then answer additional related questions.
Fuel the Brain
Missing Addend
Do your little learners know how to find the missing addend in a math problem? See what their knowledge is with this fun and simple skills practice!
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Decimals Worksheet 1
In this addition with decimals instructional activity, learners find the missing addends in these problems. Answers are given by clicking a link. An excellent in-class activity, or homework assignment.
DK Publishing
Fishing for 10
Young counters will enjoy this beginning addition activity; they get to color as they go! For each set of 10 fish they color some green and leave some white. Then, they fill in the blanks to create an addition sentence with the sum of...
Curated OER
Add Groups of Ten
In this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Addition Up to 12-Sheet 5
In this addition worksheet, students complete a total of 24 problems, filling in missing numbers, either addends or sums. A reference web site is given for additional activities.
Curated OER
Classify and Measure Angles #1
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Adding Ten
In this addition worksheet, students solve 12 problems in which the number 10 is added to a single digit. The page has animal photographs.
Curated OER
Adding Ten
For this addition worksheet, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
Curated OER
Adding Ten
In this addition worksheet, students practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
Curated OER
Adding Zero
In this addition activity, 1st graders focus on addition with the number zero. Students complete 4 horizontal addition problems counting the number of objects shown and adding the amount to zero before writing the total on the line...
Curated OER
Adding Zero
In this addition worksheet, students solve 12 problems in which zero is added to a number below 8. The page has photos of tropical fish.