Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Addition: Equation to 10
In this addition skills worksheet, students use their problems solving skills to fill in the missing addends in 32 problems.
Curated OER
Missing Addends: Sums With 8 and 9
In this missing addends activity, 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
In this decimal addition worksheet, learners supply the missing addends necessary to arrive at given sums. Page has an answer link a the bottom.
Curated OER
Addition: How Many Ways?
In this addition worksheet, 2nd graders study the various ways to add with different addends. Students are provided with 4 digits in which to write as many possible addition problems as can be made.
Curated OER
Missing Addend and Subtraction 1
In this mathematics worksheet, 4th graders write the numbers and x to each picture. Then they write a missing addend sentence and a subtraction sentence to solve each problem. Students also write a missing addend sentence with x and...
Curated OER
Decimal Addition-Missing Addends #2
In this decimal addition worksheet, students supply the missing addend necessary to arrive at a given sum. Page includes an answer link.
Curated OER
Adding Two Numbers
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Curated OER
Adding it Up!
These socks and towels each have three addends and are missing a sum; can your scholars figure it out? All addends are single-digit, however not all sums are. There are two examples done here, and once scholars have finished eight...
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
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
Addition - What Are the Missing Numbers?
In this addition worksheet, students determine what the missing numbers are in 8 two digit addition problems; either finding the sum or an addend. They estimate and calculate each answer in 4 three and four digit addition problems.
Curated OER
Value of X
In this missing addend worksheet, students find the value of x that represents a number in addition problems. Students complete 10 problems total.
Curated OER
Make Ten With Three Numbers
In this addition to 10 instructional activity, students will solve seven addition problems with three missing addends. The goal is to find at least seven ways to make ten with three addends and to look for a pattern.
Curated OER
How Many More Do You Need
In this missing addends worksheet, students draw additional train cars to the existing picture to complete each addition sentence with a missing addend. Students also fill in the missing number.
Curated OER
Complete Number Sentences
In this addition 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 worksheet, students 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 writing a...
Curated OER
Completing the Next Hundred
For this hundreds worksheet, students fill in the missing addend and complete the hundred numbers at the end of the problems. Students complete 3 sets of problems.
DK Publishing
Addition, Multiplication, and Division
These equations are missing numbers, and scholars must process multiple operations to complete them. There are addition, multiplication, and division problems here, each missing an addend, divisor, or factor. After completing 24 of these...
Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
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
Complete the Number Sentences
In this addition instructional activity, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
Curated OER
Equations by 1 through 10
In this missing addend worksheet, students fill in the missing addend to the addition and subtraction problems. Students fill in the missing addends for numbers 1 through 10 for 100 problems.
Curated OER
Complete the Number Sentences
In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.