Curated OER
Fill in the Dice: Addition
Your young scholars aren't too young to balance equations! These simple addition number sentences are represented by dice, and require one part of the equation to be filled in. Learners create dots to complete and balance the math...
Curated OER
Addition Facts: Dominoes 2
Young mathematicians look at dominoes to determine the numbers required to complete each of the 15 equations. This worksheet advances to practicing vertical addition.
Curated OER
The Case of the Missing Numbers
In this finding the unknown numbers worksheet, students help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
Curated OER
Missing Digit Operations (L) Fill in the missing digits
In this missing digit activity, 4th graders fill in the missing number to the math problem. Students have to complete 30 problems where they have to figure out the missing number in the problem and the answer portion of each operation....
Curated OER
Adding Animals
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
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...
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
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
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.Â
Curated OER
Two Digit Addition With No Regrouping Worksheet #7
There is no need to regroup to complete this set of 20 addition problems. Learners will add two-digit numbers togther each sum.Â
Curated OER
Addition: Number Bonds to 30
In this addition worksheet, students fill in the missing addend to an addition problem that adds up to 30. This number could be a one or two digit number. Students complete 41 missing addend problems.
Curated OER
Addition: Number Bonds to 100
In this addition worksheet, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
Curated OER
Independent Practice 1: Addition Number Grid
In this addition worksheet, students fill in the missing numbers in eight addition number grids. Students check that each row adds up together to match the total at the right and at the bottom of each grid.
Curated OER
Missing Addends: equal equations
In this missing addends worksheet, students complete the missing addends in the addition problems to make each equation equal on each side of the equals sign. Students complete 10 problems.
Curated OER
What's Missing? Partner Number Patterns
In this addition worksheet, students look for missing numbers in addition patterns of 6, 7, and 10. Patterns are set up in addition problem form.
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.
Curated OER
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...
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
DK Publishing
Subtracting Big Numbers, part 2
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
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...
Curated OER
Missing Numbers in Two Digit Addition Worksheet #9
In this addition instructional 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
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.
Curated OER
Missing Number Addition
For 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 Sums and Addends
In this missing addends worksheet, learners fill in the missing sums and addends for the addition questions. Students solve 20 problems.