Curated OER
Place Value - Hundreds, Tens, and Ones 4
In this place value worksheet, students add numbers that are all in different place values and fill in missing addends for different place values. Students complete 40 problems where the numbers are in expanded notation form.
Curated OER
Decimals Worksheet 1
In this addition with decimals worksheet, students find the missing addends in these problems. Answers are given by clicking a link. An excellent in-class activity, or homework assignment.
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
Missing Numbers Addition (A)
In this math worksheet, students solve 40 math problems in which there is a missing addend. Students fill in the missing number which makes the addition sentence correct.
EdHelper
Addition: Missing Number Fill In
For this addition activity, 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.
![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 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 learning exercise, students fill in the missing addend in 24 simple addition problems, answers are included on page 2.
Curated OER
Missing Sums and Addends
In this recognizing two-digit addition facts worksheet, learners use a number line and addition facts to find the missing sums or addends in problems with and without regrouping. Students solve 20 problems.
Curated OER
Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
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
Unknown Numbers in Sums and Differences - Step-by-Step Lesson
First grade mathematicians will love to monkey around with an illustrated word problem involving missing bananas. They must decide how many bananas the monkey ate by counting the remaining bananas and by counting the number Lee had and...
CK-12 Foundation
Decimal Addition: Adding Little Pieces
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
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
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...
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!
CK-12 Foundation
Addition and Subtraction of Polynomials: Sliders
Slide the coefficients to determine sums of polynomials. The interactive contains sliders to change the coefficients of an addend in a polynomial addition problem. Pupils determine the coefficients of the addend to arrive at particular...
DK Publishing
Mentally Adding and Subtracting
If you're looking for basic practice problems for youngsters learning addition and subtraction skills, look no further! Scholars solve 30 equations by filling in a missing addend, subtrahend, or minuend in these horizontally-aligned...
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 Items
In this math instructional activity, 1st graders solve the problems that use addition and the pictures of dice to figure out the missing addend to complete the number sentence.
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
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
Mystery Boxes
In this math learning exercise, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
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 and Subtracting from 10
Here is a nicely designed worksheet on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do have...