Curated OER
Missing Addend With Sums of Ten
In this addition worksheet, students find the missing addends which add up to ten. Students complete 32 problems filling in the missing digit for each.
Curated OER
Adding Three Small Numbers
In this number sentence worksheet, 2nd graders complete 5 problems where they fill in the missing 3rd addend after being given 2 addends and a sum.
Curated OER
Two Digit Addition Worksheet #3: Find the Missing Number
In this addition worksheet, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
Curated OER
Missing Numbers in Two Digit Addition Worksheet #9
In this addition activity, students solve 20 problems in which missing numbers in two digit addition problems are filled in. There is no regrouping on the page.
Curated OER
2 Digit Addition Worksheet (No Regrouping) #4
For this addition worksheet, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
Curated OER
Sums of 10
In this addition instructional activity, students supply the missing addends necessary to arrive at the sum of 10. A website reference for additional resources is given.
Curated OER
The Missing Monkey Mystery
Second graders explore number values by completing number sentences. In this math functions lesson, 2nd graders identify whole numbers by using a visual aide and practice filling in the blank in number sentences. Students utilize their...
Curated OER
Add and Subtract Two-Digit Numbers
Learners complete two double-digit problems, one addition and the other subtraction. They also determine the missing addend in two additional problems. An explanation as to how to solve both problems is included.
Concord Consortium
The Trouble with Tables
Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.
Curated OER
Missing Addends
In this missing addends worksheet, students fill in one missing addend in a problem to arrive at the sum of 20, 5 problems total. An answer key is included.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Curated OER
Add Decimals Mentally (2)
In this decimal addition learning exercise, students solve 5 problems that require them to use mental math to add decimals. Students also solve 5 problems that require them to fill in the blanks with missing decimal addends.
Curated OER
Complete Number Sentences
In this addition instructional activity, students solve 14 problems in which the missing addend in an addition problem is filled in. All problems will have a sum of 100.
Curated OER
Same and Different
For this mathematics learning exercise, learners first complete the tens place and then add the rest. Then they continue the patterns and compare each column. Students also fill in the missing addends and solve various word problems by...
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
Adding Integers with Counters
Learners solve integers using addition. In this algebra lesson plan, students add integers using counters. They define and label patterns created by integer operations.
Curated OER
Mystery Boxes
In this math worksheet, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Curated OER
One digit addition problems
In this addition worksheet, students solve the one digit addition problems for the sums and missing addends. Students complete 10 multiple choice questions.
Curated OER
Sums With 9
In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.
Curated OER
Choose a Path
In this addition worksheet, students utilize data from a map to answer 6 fill in the blank questions where they provide the missing addends to addition problems.
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
Decimals-Missing Addends
For this decimal addition worksheet, students supply the missing addends necessary to arrive at given sums. Page has an answer link a the bottom.
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...